Apple Watch Series 10 (46mm) vs Apple Watch Series 11 (45mm)

When placed side by side, the Apple Watch Series 10 (46mm) and Apple Watch Series 11 (45mm) reveal a clear story. In terms of height, the Apple Watch Series 10 (46mm) stands at 46.0 mm while the Apple Watch Series 11 (45mm) measures 47.0 mm. The Apple Watch Series 11 (45mm) is 1.0 mm taller. Looking at width, the Apple Watch Series 10 (46mm) is 39.4 mm across versus the Apple Watch Series 11 (45mm)'s 39.6 mm. The Apple Watch Series 11 (45mm) is 0.2 mm wider. For thickness, the Apple Watch Series 10 (46mm) comes in at 9.7 mm compared to the Apple Watch Series 11 (45mm)'s 10.8 mm. The Apple Watch Series 11 (45mm) is 1.1 mm thicker.

The Apple Watch Series 11 (45mm) is heavier at 39 grams versus 34.2 grams for the Apple Watch Series 10 (46mm). That is a 4.799999999999997-gram difference (14.0%). While this may seem small, you can feel a noticeable difference during extended use.