![O-Ring Case Back Gasket, package of 4, ID 18.50 mm, OD 19.30 mm, thickness 0.40 mm](http://perrinwatchparts.com/cdn/shop/files/67-5125-18540_50abf8fa-be3f-42f2-8d65-96d33bfda5d9_300x300.jpg?v=1710962564)
O-Ring Case Back Gasket, package of 4, ID 18.50 mm, OD 19.30 mm, thickness 0.40 mm
by Perrin
$3.90
SKU 67-5125-18540
O-Ring Case Back Gasket package of 4, ID 18.50mm, OD 19.30 mm, thickness 0.40 mm