When placed side by side, the AAA Battery and Apple Watch Ultra 3 reveal a clear story. In terms of height, the AAA Battery stands at 44.5 mm while the Apple Watch Ultra 3 measures 49.0 mm. The Apple Watch Ultra 3 is 4.5 mm taller. Looking at width, the AAA Battery is 10.5 mm across versus the Apple Watch Ultra 3's 44.0 mm. The Apple Watch Ultra 3 is 33.5 mm wider. For thickness, the AAA Battery comes in at 10.5 mm compared to the Apple Watch Ultra 3's 14.4 mm. The Apple Watch Ultra 3 is 3.9 mm thicker.
The Apple Watch Ultra 3 is heavier at 61.4 grams versus 11 grams for the AAA Battery. That is a 50.4-gram difference (458.2%). While this may seem small, you can feel a noticeable difference during extended use.
| Metric | AAA Battery | Apple Watch Ultra 3 | Diff |
|---|---|---|---|
| Width | 10.5 mm | 44.0 mm | -33.5 mm |
| Height | 44.5 mm | 49.0 mm | -4.5 mm |
| Depth | 10.5 mm | 14.4 mm | -3.9 mm |
| Weight | 11 g | 61.4 g | -50.4 mm |