![O-Ring Case Back Gasket, package of 4, ID 17.50 mm, OD 18.30 mm, thickness 0.40 mm](http://perrinwatchparts.com/cdn/shop/files/67-5125-17540_2059b175-8221-4b4b-9c5f-f5b0cb8029d9_300x300.jpg?v=1710962500)
O-Ring Case Back Gasket, package of 4, ID 17.50 mm, OD 18.30 mm, thickness 0.40 mm
by Perrin
$3.90
SKU 67-5125-17540
O-Ring Case Back Gasket package of 4, ID 17.50mm, OD 18.30 mm, thickness 0.40 mm