MAXIMUM SIZE IS 30MM - Please make sure you understand millimeters of your watch and measure properly before ordering. The largest in this watch o rings kit package is 30mm which not cover any watch's size. It may be more suitable for smaller watches.
MORE SIZE - There are 19 sizes of watch gaskets rubber kit that sizes from 12 to 30 mm: 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 and 30 mm. And the thickness is 0.6 mm.
WATCH GASKET USAGE - The watch gasket is installed on the watch case to cover the clearance between the watch band and the movement, which plays an important role in the waterproof of the watch.
WATCH REPAIR - Excellent replacement for the watch back cover seal gaskets. With flexibility, can perfect fit with your watch. This watch battery replacement kit is suitable for watch repair and very suitable for watchmakers.
RUBBER MATERIAL - Watch rubber seal is made of quality rubber material and has a long service life, waterproof, wearproof, durable and practical. Each bag contains 50 pieces rings (50 pieces x 19= 950pieces in total).