Samsung Galaxy smart watch band

There are 2 different variants to the Samsung smart watch bands. There is a 20mm and a 22mm watch band 

Samsung smart watches that fit the 20 mm band are the Galaxy watch active 1/2, Galaxy watch (42mm), Galaxy S3, Galaxy S2.

Samsung smart watches that fit the 22 mm band are the Galaxy watch (46mm) and some Galaxy S3 watches. 

Please note that some Galaxy S3 watches use a 22mm band. Please verify which band size your watch used before ordering.