1/2PCS Dia 26mm-35.5mm Waterproof Ring High 1.2MM Thick 0.5MM Watch Glass O-Ring SKX007 Watch Case Waterproof Gasket Ring

1/2PCS Dia 26mm-35.5mm Waterproof Ring High 1.2MM Thick 0.5MM Watch Glass O-Ring SKX007 Watch Case Waterproof Gasket Ring

Aliexpress UK