Guide on Size
Below are two methods to determine the model size of your Apple Watch:
1.
By Series and Size:
If you already know your watch's series and size, you can refer to the general table below, alternatively, you may also refer to the back of your Apple Watch to find the size as shown in image below:
| Apple Watch Series | Smaller Size | Larger Size |
|---|---|---|
| Series 1-3 | 38mm | 42mm |
| Series 4-6, SE | 40mm | 44mm |
| Series 7-9, Ultra | 41mm | 45mm / 49mm (Ultra) |
2. By Model Number in Settings:
To find your specific model number:
- Open the Apple Watch app on your iPhone.
- Go to the 'My Watch' tab, then tap General > About.
- Scroll down to find the Model Number.
- Once you have the model number, you can compare it to the list below to identify your watch.
List of Apple Watch Series Model Numbers:
| Series | Smaller Size | Larger Size |
|---|---|---|
| Apple Watch Series 1 | A1802 (38mm) | A1803 (42mm) |
| Apple Watch Series 2 | A1757 (38mm) | A1758 (42mm) |
| Apple Watch Series 3 | A1858, A1889 (38mm) | A1859, A1891 (42mm) |
| Apple Watch Series 4 | A1977, A2007 (40mm) | A1978, A2008 (44mm) |
| Apple Watch Series 5 | A2092, A2156 (40mm) | A2093, A2157 (44mm) |
| Apple Watch Series 6 | A2291, A2157 (40mm) | A2292, A2376 (44mm) |
| Apple Watch Series 7 | A2473, A2476 (41mm) | A2474, A2478 (45mm) |
| Apple Watch Series 8 | A2770, A2773 (41mm) | A2771, A2775 (45mm) |
| Apple Watch Series 9 | A2982 (41mm) | A2984 (45mm) |
| Apple Watch Ultra | A2684 (49mm) | |
| Apple Watch Ultra 2 | A2986 (49mm) | |
| Apple Watch SE (1st Gen) | A2351, A2355 (40mm) | A2352, A2356 (44mm) |
| Apple Watch SE (2nd Gen) | A2722, A2725 (40mm) | A2723, A2724 (44mm) |