Watch size chart

When buying or selling a watch, refer to the watch case size to understand how the watch will fit on your wrist. Watch cases are measured across the widest part of the watch face in millimeters.

The sizes below may not apply to all brands, but you can use them for reference. 

• 30 mm and under
• 31-38 mm
• 39-42 mm
• 43-46 mm
• 47 mm and above
• One Size