Yes, you can link up to 5 Apple Watch Series 3 GPS + Cellular devices to your mobile subscription. You will also need to have a Sunrise extra SIM watch option for each Apple Watch.
Please note: The option is only available with the following mobile subscriptions:
- Sunrise Freedom
- Sunrise Mobile Unlimited (part of Sunrise One)
- MTV mobile Freedom
The number of extra SIM watch options that can be linked to your subscription is decreased by the total number of extra SIM surf & talk and extra SIM watch options already linked to the subscription.