Do 41 mm Apple Watch bands fit a 45 mm Apple Watch?
No. Apple puts 41 mm bands in its small group (38, 40 and 41 mm) and the 45 mm case in its large group (44, 45 and 46 mm), and lists each group as compatible only within itself.
Official page: Apple
What the makers say
- Apple Support lists bands for 38 mm, 40 mm and 41 mm cases as compatible with each other.
Official page: Apple
- Apple Support lists bands for 42 mm, 44 mm and 45 mm cases as compatible with each other. The sentence does not say which 42 mm case (2015 to 2017, or 2024 and later) it means.
Official page: Apple
- Apple Support lists bands for 46 mm cases as compatible with 44 mm, 45 mm and 46 mm cases.
Official page: Apple
- Every Apple Watch band slides into the case after you hold down the band release button. Apple says different Apple Watch bands use the same release mechanism.
Official page: Apple