![O-Ring Case Back Gasket, package of 4, ID 18.50 mm, OD 20.10 mm, thickness 0.80 mm](http://perrinwatchparts.com/cdn/shop/files/67-5125-18580_a6847f19-e865-4e06-a7e8-e5d1dfd6bb3a_300x300.jpg?v=1710962584)
O-Ring Case Back Gasket, package of 4, ID 18.50 mm, OD 20.10 mm, thickness 0.80 mm
by Perrin
$3.90
SKU 67-5125-18580
O-Ring Case Back Gasket package of 4, ID 18.50mm, OD 20.10 mm, thickness 0.80 mm