![O-Ring Case Back Gasket number 56, package of 2, ID 31.60 mm, OD 35.20 mm, thickness 1.80 mm](http://perrinwatchparts.com/cdn/shop/files/67-5117-56_fd3d1a67-bd37-4597-a8c3-056570ff1296_300x300.jpg?v=1710963475)
O-Ring Case Back Gasket number 56, package of 2, ID 31.60 mm, OD 35.20 mm, thickness 1.80 mm
by Perrin
$2.50
SKU 67-5117-56
O-Ring Case Back Gasket number 56, package of 2, ID 31.60 mm, OD 35.20 mm, thickness 1.80 mm