0.9mm Height Red Gasket Watch Caseback O Ring INNER Diameter 37mm to 40mm for Waterproof Timepiece Repair W6436

0.9mm Height Red Gasket Watch Caseback O Ring INNER Diameter 37mm to 40mm for Waterproof Timepiece Repair W6436

If your original gasket is NOT red, please don't use these gasket replacements

Height: 0.9mm

Size: from 37MM-40MM(INNER Diameter)

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Please choose the size that you need.  1 piece per order

Package included：1 piece