
The Apple Watch SE (2nd gen, 44mm) and AA Battery are most easily told apart by their overall size. On height, the AA Battery measures 50.5 mm against the Apple Watch SE (2nd gen, 44mm)'s 44.0 mm — about 6.5 mm more. On width, the Apple Watch SE (2nd gen, 44mm) measures 38.0 mm against the AA Battery's 14.5 mm — about 23.5 mm more. On thickness, the AA Battery measures 14.5 mm against the Apple Watch SE (2nd gen, 44mm)'s 10.7 mm — about 3.8 mm more.
The Apple Watch SE (2nd gen, 44mm) is the heavier of the two at 32.6 g, compared with 23 g for the AA Battery. That is a 9.600000000000001 g difference (42%). In daily handling the difference is easy to feel.
| Metric | Apple Watch SE (2nd gen, 44mm) | AA Battery | Diff |
|---|---|---|---|
| Width | 38.0 mm | 14.5 mm | +23.5 mm |
| Height | 44.0 mm | 50.5 mm | -6.5 mm |
| Depth | 10.7 mm | 14.5 mm | -3.8 mm |
| Weight | 32.6 g | 23 g | +9.6 mm |
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