10 Best Smart Watches With Sim Card in The UK

Last updated on 07/08/2025

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imoo Watch Phone Z1 Kids Smart Watch, 4G Kids Smartwatch with Video and Phone Call Durable, GPS Watch with Real Time Location and IPX8 Water Resistance (Green)

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Why We Love It

Maintains family connection remotely.
Reliable real-time child location.
Long-lasting battery life.

Main Highlights

【HD Video Calls and Family Chat】imoo watch for kids keeps parents and children connected, no matter the distance. The imoo watch phone z1 can connect to family members' smartphones, keeping everyone in touch through family chat, voice, and video calls.
【GPS Tracking】With the GPS watch for kids, you can find your kids easily by opening the imoo APP on your phone and knowing your kid's location through the navigation function. The imoo z1 kids smart watch with gps tracker allows you to know your child’s movement status through the imoo APP.
【Class Mode and Stranger Rejection】With imoo kid smart watch, parents can set class mode and unknown caller rejection for children. This allows children to focus on learning at school without unexpected disruptions.
【IPX8 Water Resistance and Loner Battery Life】With high-quality waterproof materials, the imoo Watch Phone Z1 allows children to play in the water without worrying about damaging the imoo watch. Powered by silicon anode battery technology, the imoo kids smart watch phone Z1 delivers extended battery life without adding extra weight.
【SIM Card & Positioning Guide】The imoo Watch Phone Z1 supports Nano SIM cards from Vodafone, O2, and Telekom. For connectivity issues, adjust the settings via the imoo app or contact support for help. Note: The positioning accuracy depends on the signal strength of the SIM card and network compatibility. The use of recommended operator SIM cards ensures optimal performance in location tracking.
【More Function, More Pleasure】With the 2MP wide-angle camera from imoo watch phone Z1, parents can clearly see their kids and their surroundings. Children can make friends face-to-face in a fun and safe way by simply bumping two imoo Kids smart watches together. The imoo watch for kids z1 is the ideal Christmas or birthday gift.
【30-day Unconditional Return Policy】Your satisfaction is our priority. We provide a 24-month limited warranty, a 30-day unconditional return policy, and reliable customer support. If you have any concerns, don’t hesitate to reach out—we’re always here to help.
【More Tools, More Convenience】The imoo watch for kids supports WiFi connectivity, which can reduce additional communication costs. With the alarm functions, children can plan their time better.All features on the imoo app are free with no subscription fees. The Step Counter & Step Ranking features turn staying active into a fun experience! All features on the imoo app are free with no subscription fees and we are committed to following GDPR guidelines to ensure considerable protection for minors in their digital interactions.

imoo Z1 Kids Smart Watch, Smart watch for Boys, Kids Smartwatch Phone with Long-lasting Video & Phone Call, IPX8 Water-Resistance (Z1, Green)

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Why We Love It

Face-to-face conversations anytime.
Class mode avoids disturbance.
IPX8 waterproof for fun.

Main Highlights

【Long-lasting HD Video & Phone Call & Family Chat】imoo kids smartwatch enables parents and kids to enjoy face to face conversations at any time. With 2MP wide angle camera, parents not only can see their kids, but also clearly know the circumstance. imoo kids smart watch keeps family members being connected by sending messages to each other.
【Class Mode & Stranger Rejection】Exclude Disturbance for Kids, imoo smart watch allows parents can set class mode and stranger rejection for kids. Children can concentrate on study at school without unexpected disturbance and danger. With alarm clock functions, kids can better arrange their time.
【More Functions & More Pleasure】Use the imoo APP Permanently for Free, you can bind imoo watch Z1 to smartphones of family members, and everyone can stay in touch by Family Chat, Voice Call or Video Call. Put two imoo kids smart watches together, kids can add friends easily.
【IPX8 Waterproof & Longer Battery Life imoo Smart Watch】With qualified water-resistant material, imoo smart watch enables kids enjoy the fun of playing the water. Equipped with the state-of-the-art silicon anode battery technology, imoo Watch Phone Z1 has longer battery life under the same battery weight & volume category.
【Perfect Present Choice & Satisfactory Service】This kids smart watch is Life Saver when you worry about your kid's location or status. It's a great gift for kids on christmas or birthday. We offer 24 months limited warranty, 30-day unconditional return policy and a Lifetime Enthusiastic After-Sale Service. If for any reason you're not completely happy with your purchase - please feel free to contact us via e-mail for any question, we will resolve the issue for you within 24 hours.
【SIM Card & Positioning Guide】The imoo Z1 supports Vodafone, O2, and Three Nano-SIM cards. For connectivity issues, adjust settings via the imoo app or contact support for assistance. Note: Positioning accuracy relies on SIM signal strength and network compatibility. Using recommended carrier SIM cards ensures optimal location tracking performance.

4G SIM Card Smartwatch, Smart Watch for Men, with 1.39" Round Screen, Answer/Make Call, Front/Side Dual Cameras, Function NFC, IP67 Waterproof, Gifts for Men

Why We Love It

Multifunctional applications enhance convenience.
HD dual camera for better visuals.
Real-time GPS for accurate tracking.

Main Highlights

【Multifunction Smartwatch】Watch with sim card designed many helpful applications like SMS, camera, music player, video player, voice recording, video record, calendar, calculator, alarm clock, pedometer etc.
【Smart Watch with SIM Card】1.39-inch 360*360 high-resolution full round screen, 4G Full Network, Answer/Make Call; Android OS Internet App Download Game; allowing users to make calls and send messages without needing to carry a separate device.
【HD Dual Camera & NFC Function】HD dual camera, bright colors and details, Support photography, video chat, The watch comes with NFC function. It is very travel more convenient for you to NFC access function（NFC payment functions are not supported）.
【Sports Watch】Smartwatch built-in WIFI+LBS+GPS real-time position, More accurate positioning of motion trajectories helps you who love sports record all-round motion data.
【Magnetic Charging】Watch 900mAh battery, more guaranteed battery life, the ability to quickly charge the device when needed; PU watchband, high-end fashion.

VP29 Smart Watch 4G Android 64GB Storage 4G/5G LTE Sim Card GPS WIFI 2.29 inch 490 * 580 Amoled NEW Smartwatch Rotary Camera (black,3+32GB)

Why We Love It

Waterproof with IP67 rating.
Supports various audio formats.
Multiple sensors for fitness tracking.

Main Highlights

1.Antenna:External FPC/LDS. 2.Receiver,motor.
3.MIC:Welding line MIC. 4.WIFI,NFC:support. waterproof level ip67
5.bluetooth:4.1 .(Supports Bluetooth earphones). 6.accelerometer sensor,gyroscope,Step counting,Heart rate sensor ,barometer,compass,VIDO DECODE:support.
7.Audio formats:MP3/AAC/AAC+/WMA/DRA/AMR-NB. 8.Image format:JPG, JPEG, BMP.
9.Clock,Launch,Frameworks,sports,SMS,Phone,Contacts,Setting,Step,Calculator,Browser,AudioRecord,Calendar,E-Mail,Search,Video,Gallery,Download,Music,Alarm,Camera,Heartrate: support. 10.compass,weather,Application Market,OTA online upgrade,Input method,Bluetooth connection to phone, phone call, message push,Mobile sync app.

Blackview 4G Kids Smart Watch, GPS+LBS+WIFI Tracker with SOS Function, Video Call/Phone Call/Voice Chat/SMS, Sleep Monitor, Pedometer, Class Mode, Camera, Puzzle Games, Kids Smartwatch for Boys Girls

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Why We Love It

4G Video calls enhance connection.
SOS feature ensures child safety.
Triple tracking keeps parents informed.

Main Highlights

👍【4G HD Video Calls & Voice Chat】The kids smart watch supports 4G network (2G+4G frequency band), easily make/receive call and receive SMS by inserting a SIM card. The built-in HD camera, in addition to taking photos, also allows kids to make video calls with parents at any time. In addition, kids can also use the watch for voice chat, allowing kids and parents to easily share interesting things and experiences in life. NOTE: SIM Card not included.
👍【One-click SOS Emergency Calls】After inserting the SIM card, in an emergency, the child only needs to press and hold the SOS button (Power Button) on the side of the boys and girls watch for 3 seconds, the watch will automatically dial the emergency number set in the "Setracker2" App. Ensure that children can quickly contact their families at critical moments, giving parents peace of mind.
👍【GPS+LBS+WIFI Triple Positioning】The kids activity tracker uses GPS+LBS+WIFI tracking technology to achieve all-round accurate positioning. Through the "Setracker2" App, parents can not only view and track their children's location at any time, but also set safe areas. Once the child leaves the safe area, the system will immediately notify the parents to ensure the safety of the child.
👍【Classroom Mode & Puzzle Games】Parents can set a specific time period on the App, during which the kids's watch will block all messages and calls and only display the clock time, ensuring that children are not distracted during class and can focus on learning. NOTE: During this period, children's smart watches can still make SOS calls with one click.
👍【800mAh Ultra-long Battery Life & IP67 Waterproof】The smart watch for kids is equipped with an 800mAh large-capacity battery, which can be charged for 5 hours and last for 2 days, ensuring that children can use it worry-free for a long time. With IP67 waterproof rating, which can cope with life scenes such as rainy days and daily hand washing, and meet the daily needs of children.
👍【Sturdy Shell & Skin-friendly Strap】This kids smartwatch is equipped with a 1.83" HD large screen and uses a sturdy ABS shell to effectively prevent collisions and scratches to ensure long-term durability. At the same time, the kids watch is equipped with 2pcs straps—silicone+nylon straps, both of which are skin-friendly materials to avoid skin irritation and make children more comfortable to wear.
👍【Compatible App】Support "Setracker2" App. Android phones: Download from Google Play Store, iPhone: App Store. Or scan the QR code on Manual. Note: Before inserting the SIM card, please turn off the kids's watch. After restarting, wait for the signal icon to appear in the upper left corner of the watch to make a call.
👍【Safety Protection】The kids's smartwatch is designed to ensure the safety of your child, limiting access to social media and open internet, and providing only basic network functions. Parents can also set up the reject calls from unknown numbers on App, ensuring their child's safety.

Ucani 4G Kids Smart Watch Boys Girls, Kid GPS Tracker Watch Phone Video Call Wifi Position School Mode Pedometer SOS Games,Birthday Toy Gifts for 6-15 Years Old,Black

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Why We Love It

Enhanced safety through GPS tracking.
Easy communication with voice chat.
Fun learning with interactive games.

Main Highlights

Multifunctional Kids Smart Watch: The Kids Smartwatch Phone come with GPS positioning, Voice Chat, 2 Way Calling, Family chat, SOS, Historical Route, Geo-Fence, Puzzle Games, Pedometer, Camera, school mode, Alarm clock and more. Kids watch cover a wide range of functions for children's daily learning and life, bridging the gap between kids and their parents on a daily basis.
4G Calling/Chat/Video: Kids Smart Watch Phone can store 10 phone numbers. Parents and kids can make 4G video calls anytime and anywhere. In addition, voice text messages can be sent via APP to facilitate communication between parents and children. When your child is lost or in trouble, SOS one-click call for help can quickly respond to emergencies.
Kids Smart Watch with GPS Tracker：Smart Watch for Kids are equipped with GPS and LBS dual positioning functions to achieve real-time and accurate positioning. Parents can set up electronic fences and immediately alarm when their children cross the safe area; support viewing of all-day track history, so you can know the location of your child's track at any time and keep track of your child's whereabouts at any time
Connect to Mobile Phone: Connecting this watch does not require complicated operations, just download the Junicare APP, scan the QR code on the mobile phone to easily connect to the mobile phone, parents can easily manage the watch through the APP, manage contacts, reject unknown calls, check the child's location and ensure communication security.
Perfect Gift : This kids smart watches for girls is equipped with a 1.54-inch curved HD IPS display, a soft and breathable silicone strap and a stylish woven strap for a comfortable grip. Suitable for boys and girls, it is a perfect gift for birthday
For the phone setup instructions for this 4G GPS children's smartwatch, you can directly refer to the following link：《https://www.amazon.co.uk/photos/share/k2HHU2jDiz67MKNgCt4UDogs2sKw69jtu1ZlxVjuXH5》

GPS Smart Watch for Kids, 4G Kids Smart Watch with SOS Call, Vedio Voice Chat, School Mode, Calendar, Calculator, Alarm, Flashlight, Passcode Lock, IP68 Kid GPS Tracker Watch Gift for 4-15 Ys Old

8% OffFree Shipping

Why We Love It

Multi-functional for every need.
Ensures child's safety with GPS.
HD video calls enhance communication.

Main Highlights

【Multi-function GPS Kids Smart Watch】Kids smartwatch 4g gps features video call, family voice chat, SOS, torch, school mode, GPS positioning, calculator, calendar, passcode lock, alarm clock, timer, photos, games and multi-language. HD screen and anti-blue light for more clarity and protect children's eyes from damage, Silicone band is easy to clean. Smart watch for kids boys girls is the perfect Christmas birthday gift for kids aged 4 to 15 years old
【HD Two-Way Video/Voice Call】Kids gps tracker smart watch supports voice chat and HD two-way video call function, after inserting 4G nano SIM card, parents can keep in touch with their children anytime and anywhere, through the kids watch's camera, parents can not only see where their children are, but also know exactly what they are doing, and at the same time, the family voice call can send voice messages and share interesting things in each other's life, and closely connect parent-child emotions
【Multiple Intelligent GPS Positioning & Safety Protection】This kids smart watch is built-in GPS+WIF+LBS+AGPS positioning system, 3 positioning modes to meet different scenarios (Normal/Battery Saving/Following Mode), Parents can check the child's location in real time through the app and set up a number of safety zones, if the child is out of the safety zone, the kids GPS tracker watch will send a notification to the parents, this children's smartwatch ensures that you always find your child, giving parents peace of mind
【SOS Kids Smartwatch-10 Contacts Emergency Help】Kids smartwatch supports 10+ contacts, if there is an accident, danger, loss or persecution, your child can press and hold the S0S button for more than 3 seconds, the kids gps watch will automatically cycle to call the multiple preset emergency contacts and send the real-time location, until someone answers. Kids smart watch with SOS button is designed to enable children to notify their parents in time when they are in danger, which provides a great deal of help for children in emergency situations
【Triple Protection-IP68 Waterproof&Password Lock&Classroom Mode】IP68 waterproof design allows children to wear the 4G Kids Smartwatch even when it rains or when washing hands, which improves the durability and functionality of the kids' watch. After parents set the class time, the watch only displays the time, avoiding interference from other functions. Meanwhile, the password lock can effectively prevent misuse and privacy leakage, only enter the correct password to access, from physical protection to data security, all-round guarding the safety of children using, providing them with multiple protection
【Customer Service and Support】Kids smart watch supports 4G Nano SIM card (SIM card not included), turn off the watch before inserting the SIM card, insert the Nano SIM card in the right direction and restart the kids GPS watch as soon as the signal appears in the upper left corner of the smartwatch kids, then you can make and receive calls. Please check the manual before using the kid watch, if you have any questions, our support team is always at your service

2024 CD99 AMOLED Smart Watch Men Women 4G SIM Card Wifi Cellular GPS NFC Smartwatch Series 9 Android 8.1 Rotating Camera Sport Watch (Eurasian Black,2+32G)

6% Off

Why We Love It

Versatile 180-degree rotating camera.
Stunning Amoled HD display.
Comprehensive health monitoring features.

Main Highlights

1, the first 180-degree telescopic 800W rotating camera, video calls, photography and recording without dead corners 2, real engraving 1:1 reduction, real buckle real screws 3, 2.26 inch Amoled HD large screen, ultra-low power consumption, extremely narrow frame, ultra-high screen ratio, different visual enjoyment
4, the real compass, with the pathfinder compass, bring more cool experience 5, the screen supports multi-touch, can be controlled by two fingers like a mobile phone 6, Android 8.1 ,1380 mah Big Battery ,
1.Antenna:External FPC/LDS. 2.Receiver,motor. 3.MIC:Welding line MIC.
4.WIFI,NFC:support. waterproof level ip67 5.bluetooth:4.1 .(Supports Bluetooth earphones). 6.accelerometer sensor,gyroscope,Step counting,Heart rate sensor ,barometer,compass,VIDO DECODE:support.

PTHTECHUS 4G Smart Watch for Kids with SIM Card, Kids Phone Smartwatch GPS Tracker, Call, Voice & Video Chat, Alarm, Camera, SOS, Touch Screen WiFi Music Wrist Watch for 4-12 Boys Girls

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Why We Love It

Keeps kids safe with GPS.
Video calls with parents.
Durable and adjustable strap.

Main Highlights

Multifunctional kids smart watch: GPS Tracker, Phone call, Video/Voice Chat, SOS, Wifi, Bluetooth, Music, Pedometer, Alarm, Flashlight, Camera, Class Mode, Make friends, Language of each country, Adjustable screen brightness and nylon watch strap. Kids phone watch has all functions you need.
WIFI LBS GPS Tracker: Global Network Support. 4G network is one of the best technologies in terms of the communication on kids smart watch. It can check location history through the day. Know where your kids are anytime.When the child is in danger, press and hold the SOS button for 3 seconds, the GPS watch will automatically call and send information to the preset 3 phone numbers.
Video Call & Phone Call: 4G kids smartwatch is able to make and receive calls from pre-saved numbers. When the mobile phone is successfully bound to the application, parents can make video calls and voice chat and send pictures with their children to understand their children's dynamics.
Class Mode & Stranger Rejection : Parents can set class mode for 4G smart watch for kids. Parents can set 3 time periods in Do Not Disturb mode. When this feature is turned on, all functions such as calls, games, photos, etc. will be disabled except for SOS emergencies.
Satisfactory After-sales Guarantee: We're giving away a replacement silicone strap. This is a kids smart watch with GPS tracker, just insert the SIM card to use. (IMPORTANT NOTICE: SIM CARD NOT INCLUDED).In the UK it is recommended that you buy the following SIM cards: Vodafone, O2, Three, EE. Our products come with a two-year warranty, If you encounter any issues during the watch setup process.

4G Kids Smart Watch,GPS Tracker Smartwatch with Video Call Waterproof Real Time Position School Mode Pedometer SOS Geo-Fence Anti-Lost of Early Education Tools Smartwatches for Boys Girls (Black)

12% OffFree Shipping

Why We Love It

GPS Tracker for child safety.
Two-way video calling capability.
SOS button for emergencies.

Main Highlights

⌚📶4G Smart Watch Phone Function:The kids smartwatch come with GPS positioning, SOS,2 way calling, Voice Chat, Pedometer, School mode, Video Call,4G network, Call Whitelist, SMS whitelist, PhoneBook, Photo album, Love Reward, Remote photography,Alarm,Stopwatch,Calculator, Remote shutdown. It's a better choice than cellphone which postpone kids enter the world of internet so early.
📞👧Video Call&TWO-WAY CALL:JOYMENT 4G kids smartwatch is able to make and receive calls from pre-saved numbers，The device can receive texts and voice messages and reply with texts and voice messages.After you bind the Watch Phone to smartphones of family members in the App"SeTracker 2", everyone can stay in touch by Family Chat, Voice Call or Video Call.
🚩🌏WIFI+LBS+GPS Tracker：Kids smartwatch built-in GPS intelligent positioning, you can know your kids' location on your phone anytime. The GPS Tracker combine the data of GPS, WIFI, LBS to get the most accurate positioning.*Provide an approximate location,error will be 0.3 ~ 4 miles.
🆘❗SOS Emergency Cal&GEO Fence：The kids smart watches has a SOS button, if your children are in emergency situation, they can press SOS button for 3 seconds and the GPS watch will automatically circularly call 3 SOS numbers you set for help until someone answers it. An option is available to setup Safety Zones around key locations such as home and school.
🔇📱Class Mode & Stranger Rejection : Parents can set class mode and stranger rejection for 4G smart watch for kids. Children can concentrate on study at school without unexpected disturbance and danger. With alarm clock functions, kids can better arrange their time.This smartwatch for kids is suitable for standard Nano-SIM card only. Please buy SIM Card:Three or E.E when you are in uk.

8.9

Excellent

Save 12%

We scanned 1701 products

We reviewed these offers relevant to the Smart Watches With Sim Card within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like imoo, MiBoce, XINDADA, Blackview, Ucani, Moikmlih, JINSHANGZI, PTHTECHUS, joyment, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Smart Watches With Sim Card in the market, we considered we took a deep dive into 8506 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is imoo Watch Phone Z1 Kids Smart Watch, 4G Kids Smartwatch with Video and Phone Call Durable, GPS Watch with Real Time Location and IPX8 Water Resistance (Green). We love many things about this product by imoo. What sets it apart from the competition is Maintains family connection remotely. , Reliable real-time child location, Long-lasting battery life.
The best value product for most shoppers and where user satisfaction is continuously the highest is imoo Z1 Kids Smart Watch, Smart watch for Boys, Kids Smartwatch Phone with Long-lasting Video & Phone Call, IPX8 Water-Resistance (Z1, Green) by imoo based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Smart Watches With Sim Card and the best cost-to-value ratio is 4G Kids Smart Watch,GPS Tracker Smartwatch with Video Call Waterproof Real Time Position School Mode Pedometer SOS Geo-Fence Anti-Lost of Early Education Tools Smartwatches for Boys Girls (Black)at joyment with a 12% discount.
Our list of the best Smart Watches With Sim Card is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Smart Watches With Sim Card in The UK

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We scanned 1701 products

We concluded that: