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Which Bands Fit the Apple Watch SE (1st Gen, 40mm)?

Your Apple Watch SE (1st Gen, 40mm) fits Small Group bands

ALL bands in this group are interchangeable. A 38mm band from 2015 fits a Series 11 42mm watch. The connector/lug mechanism has stayed the same across all generations.

Apple Watch SE (1st Gen, 40mm) Details

Series

SE (1st Gen)

Case Size

40mm

Size Group

Small Group

Release Year

2020

Current Gen

No

Compatible Band Sizes

38mm40mm41mm42mm (Series 10/11)

All Compatible Watches (11 models)

Any band that fits these watches also fits your Apple Watch SE (1st Gen, 40mm).

Apple Watch Series 1 (38mm)38mmApple Watch Series 3 (38mm)38mmApple Watch Series 4 (40mm)40mmApple Watch Series 5 (40mm)40mmApple Watch Series 6 (40mm)40mmApple Watch SE (2nd Gen, 40mm)40mmApple Watch Series 7 (41mm)41mmApple Watch Series 8 (41mm)41mmApple Watch Series 9 (41mm)41mmApple Watch Series 10 (42mm)42mmApple Watch Series 11 (42mm)42mm

Shop Bands for Apple Watch SE (1st Gen, 40mm)

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View Full Compatibility Matrix →Back to Watch Bands Hub →38mm vs 42mm Band Confusion →

Frequently Asked Questions

What band size does the Apple Watch SE (1st Gen, 40mm) use?

The Apple Watch SE (1st Gen, 40mm) is in the Small Group (small group). It fits bands sized: 38mm, 40mm, 41mm, 42mm (Series 10/11).

Can I use older bands on the Apple Watch SE (1st Gen, 40mm)?

Yes! Any band from the small size group works. Apple has kept the connector mechanism identical within each group since the original Apple Watch. ALL bands in this group are interchangeable. A 38mm band from 2015 fits a Series 11 42mm watch. The connector/lug mechanism has stayed the same across all generations.

How many other Apple Watch models share bands with the Apple Watch SE (1st Gen, 40mm)?

11 other models share the same band connectors: they are all in the small size group.