20mm Compatible Models: for Samsung Galaxy Watch 42mm for Samsung Watch Active 1 40mm for Samsung Watch Active 2 40mm for Samsung Watch Active 2 44mm for Samsung Galaxy Watch 5 40mm for Samsung Galaxy Watch 5 44mm for Samsung Galaxy Watch 5 Pro 45mm for Samsung Galaxy Watch 4 LTE 40 mm for Samsung Galaxy Watch 4 44 mm for Samsung Watch 4 Classic 42 mm for Samsung Watch 4 Classic 46 mm for Samsung Galaxy Watch3 41mm 22mm Compatible Models: for Samsung Galaxy Watch 46mm for Samsung Galaxy Watch 3 45mm for Samsung Gear S3 Classic 46mm for Samsung Gear S3 Frontier 46mm.
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