![O-Ring Case Back Gasket, package of 4, ID 17.50 mm, OD 18.50 mm, thickness 0.50 mm](http://perrinwatchparts.com/cdn/shop/files/67-5125-17550_4a887754-5e57-4c85-b074-d8bba1e86afb_300x300.jpg?v=1710962504)
O-Ring Case Back Gasket, package of 4, ID 17.50 mm, OD 18.50 mm, thickness 0.50 mm
by Perrin
$3.90
SKU 67-5125-17550
O-Ring Case Back Gasket package of 4, ID 17.50mm, OD 18.50 mm, thickness 0.50 mm