Why a connected watch with SIM card?

Users want a standalone watch, capable of calling, sending messages and using the Internet without a smartphone. They are looking for a comparison, expert opinions, and practical answers to choose the right model.

In which watch can you insert a SIM card?

Most recent smartwatches offer either a physical SIM card slot (nano-SIM) or an eSIM (integrated virtual card). The preferred models:

• Apple Watch Series (Cellular)
• Samsung Galaxy Watch LTE
• Huawei Watch 3
• OPPO Watch eSIM
• Xiaomi Mi Watch eSIM
• Ticwatch Pro 3 Ultra 4G
• Dedicated children's watches (Jouvio Kid Guard, etc.)

Good to know: Keywords to spot: LTE, Cellular, eSIM, 4G, 5G. These watches are designed to accommodate a SIM or eSIM card and work independently of the phone.

How does a connected watch with SIM work?

It's simple:

1. Insert a SIM card (or activate an eSIM via the operator).
2. Configure the mobile plan from the companion application.
3. The watch connects directly to the mobile network: calls, SMS, notifications, Internet, music streaming, contactless payment, GPS, etc.

Two SIM options:

• Single SIM : dedicated number, independent package.
• Multi-SIM : sharing the number and plan with your smartphone (ideal so you don't miss anything).

Advantage : You can be reached anywhere, even without a telephone. Perfect for sports, kids, pros or travelers.

Which Apple Watch with SIM?

Apple offers the range Apple Watch GPS + Cellular (Series 4 and later). These models include an eSIM:

• Add up to 5 mobile plans (only one active at a time).
• Dual SIM possible if your iPhone is compatible.
• Smooth use: calls, messages, data, notifications, everything from the watch, even without the iPhone nearby.

To remember: Apple Watch Cellular is the benchmark for demanding iPhone users, with seamless integration and advanced plan management.

Top 7 Best Connected Watches with SIM Card in 2025

Mentions: The watch names in the table have clickable links to Amazon. These links are affiliated: if you make a purchase through these links, the site may earn a commission at no additional cost to you.

Authentic experience: total freedom

Imagine: you go for a run, leave your phone at home, but stay in touch, listen to your playlist, pay for your coffee, all from your wrist. That's it, the connected watch with SIM card. No need to depend on your smartphone anymore. You gain freedom, security and efficiency.

To go further on digital autonomy, discover this complete guide on connected watches without a phone:Connected watch without phone: complete guide to total digital freedom

Connected watch with sim card: The essential selection criteria

• Operator compatibility (nano-SIM or eSIM, Android/iOS)
• Autonomy (lasting for 1 to 3 days minimum)
• Features (calls, SMS, payment, GPS, health, sport)
• Design and comfort (size, materials, waterproofing)
• Price (from €100 to €500, plus mobile subscription)

Pro tip: Choose eSIM models for simplicity and multi-device management. Check your carrier compatibility before purchasing.

In which watch can you insert a SIM card? : Practical case for children

For children, the connected watch with SIM card is a revolution: SOS calls, geolocation, limitation of contacts, reinforced security. The dedicated models are simple to configure and reassure parents.Discover the comparison of the best connected watches for children:The best smartwatches for kids

The (real) advantages and disadvantages

Benefits

• Reachable anywhere, even without a phone
• Music, payment, GPS, sport, everything on your wrist
• Ideal for children, athletes, professionals

Disadvantages

• Additional mobile subscription often required
• Autonomy sometimes limited (1 to 2 days)
• Confidentiality: permanent geolocation possible

Conclusion: Dare to digital freedom

The connected watch with SIM card is the assurance of staying connected without constraints. For working people, parents, athletes or adventurers, it's a life-changing investment. Choose a model adapted to your needs, check operator compatibility, and enjoy a smoother, freer, more secure daily life.

Ready to take the plunge?Test, compare, and experience digital freedom on your wrist. You won't go back.