When placed side by side, the AA Battery and Apple Watch SE (2nd gen, 44mm) reveal a clear story. In terms of height, the AA Battery stands at 50.5 mm while the Apple Watch SE (2nd gen, 44mm) measures 44.0 mm. The AA Battery is 6.5 mm taller. Looking at width, the AA Battery is 14.5 mm across versus the Apple Watch SE (2nd gen, 44mm)'s 38.0 mm. The Apple Watch SE (2nd gen, 44mm) is 23.5 mm wider. For thickness, the AA Battery comes in at 14.5 mm compared to the Apple Watch SE (2nd gen, 44mm)'s 10.7 mm. The AA Battery is 3.8 mm thicker.
The Apple Watch SE (2nd gen, 44mm) is heavier at 32.6 grams versus 23 grams for the AA Battery. That is a 9.600000000000001-gram difference (41.7%). While this may seem small, you can feel a noticeable difference during extended use.
| Metric | AA Battery | Apple Watch SE (2nd gen, 44mm) | Diff |
|---|---|---|---|
| Width | 14.5 mm | 38.0 mm | -23.5 mm |
| Height | 50.5 mm | 44.0 mm | +6.5 mm |
| Depth | 14.5 mm | 10.7 mm | +3.8 mm |
| Weight | 23 g | 32.6 g | -9.6 mm |