Size Chart
WHAT CASE SIZE IS MY APPLE WATCH?
Find out the size of your Apple Watch. To do this, look at the back of your watch to read the case size.
MODEL OVERVIEW
| Case Size | 42 mm | 44 mm | 45 mm | 49 mm | 38 mm | 40 mm | 41 mm |
| Apple Watch Ultra 2 | ✓ | |
| Apple Watch Series 9 | ✓ | ✓ |
| Apple Watch Ultra | ✓ | |
| Apple Watch Series 8 | ✓ | ✓ |
| Apple Watch SE (2. Generation) | ✓ | ✓ |
| Apple Watch Series 7 | ✓ | ✓ |
| Apple Watch Series 6 | ✓ | ✓ |
| Apple Watch Series SE | ✓ | ✓ |
| Apple Watch Series 5 | ✓ | ✓ |
| Apple Watch Series 4 | ✓ | ✓ |
| Apple Watch Series 3 | ✓ | ✓ |
| Apple Watch Series 2 | ✓ | ✓ |
| Apple Watch Series 1 | ✓ | ✓ |
| Apple Watch (1. Generation) | ✓ | ✓ |