Here’s how to choose your case size.

40mm cases are lighter than 44mm. The display on the 44mm case has more pixels, which means text and buttons will be larger. Ultimately, the best size depends on your desired look and feel.

Apple Watch SE 40mm Case, edge-to-edge display, rounded corners, Digital Crown dial

40mm Case

324 by 394 pixels

Fits 130–200mm wrist

GPS

26.4 grams

GPS + Cellular

27.8 grams

Apple Watch SE 44mm Case, edge-to-edge display, rounded corners, Digital Crown dial

44mm Case

368 by 448 pixels

Fits 140–245mm wrist

GPS

32.9 grams

GPS + Cellular

33.0 grams