When placed side by side, the Apple Watch Ultra 3 and AA Battery reveal a clear story. In terms of height, the Apple Watch Ultra 3 stands at 49.0 mm while the AA Battery measures 50.5 mm. The AA Battery is 1.5 mm taller. Looking at width, the Apple Watch Ultra 3 is 44.0 mm across versus the AA Battery's 14.5 mm. The Apple Watch Ultra 3 is 29.5 mm wider. For thickness, the Apple Watch Ultra 3 comes in at 14.4 mm compared to the AA Battery's 14.5 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 | Apple Watch Ultra 3 | AA Battery | Diff |
|---|---|---|---|
| Width | 44.0 mm | 14.5 mm | +29.5 mm |
| Height | 49.0 mm | 50.5 mm | -1.5 mm |
| Depth | 14.4 mm | 14.5 mm | -0.1 mm |
| Weight | 61.4 g | 23 g | +38.4 mm |