From Your Watch
- Access your apps by pressing the Digital Crown.
- Tap the Settings icon.
- Tap General.
- Tap About.
- Scroll down to the ICCID field. This is the SIM number for your watch.
- Access the Watch app.
- Tap My Watch (lower left corner).
- Tap General.
- Tap About.
- Scroll down to the ICCID field. This is the SIM number for your watch.