![O-Ring Case Back Gasket, package of 4, ID 21.50 mm, OD 22.50 mm, thickness 0.50 mm](http://perrinwatchparts.com/cdn/shop/files/67-5125-21550_5e1487f9-2a5c-45d6-9e7a-2828b0e6d38c_300x300.jpg?v=1710962762)
O-Ring Case Back Gasket, package of 4, ID 21.50 mm, OD 22.50 mm, thickness 0.50 mm
by Perrin
$3.90
SKU 67-5125-21550
O-Ring Case Back Gasket package of 4, ID 21.50 mm, OD 22.50 mm, thickness 0.50 mm