GENUINE APPLE WATCH NIKE SPORT BAND / SPORT LOOP 49mm 46mm 45mm 44mm 42mm 41mm
49mm 46mm 45mm 44mm 42mm 41mm 40mm 38mm. Apple Watch case sizes 49mm, 46mm, 45mm & 44mm will ALL work together. Apple Watch cases sizes 42mm, 41mm, 40mm & 38mm will ALL work together. Genuine Apple Watch Nike Sport Band / Nike Sport Loop.