
The Apple Watch Series 11 (45mm) and Credit Card are most easily told apart by their overall size. On height, the Credit Card measures 54.0 mm against the Apple Watch Series 11 (45mm)'s 47.0 mm — about 7.0 mm more. On width, the Credit Card measures 85.6 mm against the Apple Watch Series 11 (45mm)'s 39.6 mm — about 46.0 mm more. On thickness, the Apple Watch Series 11 (45mm) measures 10.8 mm against the Credit Card's 0.8 mm — about 10.0 mm more.
Only the Apple Watch Series 11 (45mm) lists a weight (39 g), so a direct comparison is not possible.
| Metric | Apple Watch Series 11 (45mm) | Credit Card | Diff |
|---|---|---|---|
| Width | 39.6 mm | 85.6 mm | -46.0 mm |
| Height | 47.0 mm | 54.0 mm | -7.0 mm |
| Depth | 10.8 mm | 0.8 mm | +10.0 mm |
| Weight | 39 g | N/A | - |