When placed side by side, the AA Battery and Apple Watch Ultra 3 reveal a clear story. In terms of height, the AA Battery stands at 50.5 mm while the Apple Watch Ultra 3 measures 49.0 mm. The AA Battery is 1.5 mm taller. Looking at width, the AA Battery is 14.5 mm across versus the Apple Watch Ultra 3's 44.0 mm. The Apple Watch Ultra 3 is 29.5 mm wider. For thickness, the AA Battery comes in at 14.5 mm compared to the Apple Watch Ultra 3's 14.4 mm. The AA Battery is 0.1 mm thicker.
The Apple Watch Ultra 3 is heavier at 61.4 grams versus 23 grams for the AA Battery. That is a 38.4-gram difference (167.0%). While this may seem small, you can feel a noticeable difference during extended use.
| Metric | AA Battery | Apple Watch Ultra 3 | Diff |
|---|---|---|---|
| Width | 14.5 mm | 44.0 mm | -29.5 mm |
| Height | 50.5 mm | 49.0 mm | +1.5 mm |
| Depth | 14.5 mm | 14.4 mm | +0.1 mm |
| Weight | 23 g | 61.4 g | -38.4 mm |