![O-Ring Case Back Gasket, package of 4, ID 17.50 mm, OD 18.90 mm, thickness 0.70 mm](http://perrinwatchparts.com/cdn/shop/files/67-5125-17570_0c721916-4124-4c8e-ba5c-836542076fef_300x300.jpg?v=1710962513)
O-Ring Case Back Gasket, package of 4, ID 17.50 mm, OD 18.90 mm, thickness 0.70 mm
by Perrin
$2.98
SKU 67-5125-17570
O-Ring Case Back Gasket package of 4, ID 17.50mm, OD 18.90 mm, thickness 0.70 mm