![O-Ring Case Back Gasket, package of 4, ID 21.50 mm, OD 22.30 mm, thickness 0.40 mm](http://perrinwatchparts.com/cdn/shop/files/67-5125-21540_242f6a37-e2db-4395-b657-1072643c1895_300x300.jpg?v=1710962754)
O-Ring Case Back Gasket, package of 4, ID 21.50 mm, OD 22.30 mm, thickness 0.40 mm
by Perrin
$3.90
SKU 67-5125-21540
O-Ring Case Back Gasket package of 4, ID 21.50 mm, OD 22.30 mm, thickness 0.40 mm