![O-Ring Case Back Gasket, package of 4, ID 20.50 mm, OD 21.50 mm, thickness 0.50 mm](http://perrinwatchparts.com/cdn/shop/files/67-5125-20550_9015e7da-87e8-4886-b1e2-63fa5a3367b9_300x300.jpg?v=1710962699)
O-Ring Case Back Gasket, package of 4, ID 20.50 mm, OD 21.50 mm, thickness 0.50 mm
by Perrin
$3.90
SKU 67-5125-20550
O-Ring Case Back Gasket package of 4, ID 20.50 mm, OD 21.50 mm, thickness 0.50 mm