Tory burch Miller/double T band silver/gold tech watch band NIP.NIB NWT Compatible with Apple Watch® Series 1 through 9(1,2,3,4,5,6,7,8,9 ( so this is supposed to be for 38 and 40 mm case sizes -****however I personally have an Apple Watch nine and it fits on mine without any issue so it will fit 41 and 42 but for the purpose of this listing it does say 38 and 40 mm so if you buy it for a 41 mm and decide you do not like the way it fits again the listing is for 38 and 40 mm-  use your own judgment to decide if you can fit this on a larger watch** Designed for 38 mm and 40 mm case sizes Leather Width: 20 mm Length (excluding buckle): 7" (180 mm) Apple Watch® not included Apple Watch® is a trademark of Apple, Inc. Style Number TBS0037 Nwt factory sealed unopened