Apple WatchIcon Sizes for WatchKit on Apple Watch

Notification Center Long-Look Home Screen Short-Look
38millimeters 48 x 48 pixels 80 x 80 pixels 80 x 80 pixels 172 x 172 pixels
42millimeters 55 x 55 pixels 88 x 88 pixels 80 x 80 pixels 196 x 196 pixels

Apple WatchIcon Sizes for Apple Watch on iPhone

2x 3x
App Icon 58 x 58 pixels 87 x 87 pixels