Compatibility Guide

Find the correct case size for your Apple Watch model.

40mm → Series 4 / 5 / 6  
41mm → Series 7 / 8 / 9  
42mm → Series 10  

44mm → Series 4 / 5 / 6 / SE  
45mm → Series 7 / 8 / 9  
46mm → Series 10  

49mm → Apple Watch Ultra / Ultra 2

RM-03 CLEAR

Precision stainless steel construction with mechanical aesthetics

RM-01 CARBON

Precision stainless steel construction with mechanical aesthetics