![O-Ring Case Back Gasket number 78, package of 2, ID 33.00 mm, OD 34.60 mm, thickness 0.80 mm](http://perrinwatchparts.com/cdn/shop/files/67-5117-78_2d7212c2-dab8-4281-ae1c-9a350f29ecc3_300x300.jpg?v=1710963560)
O-Ring Case Back Gasket number 78, package of 2, ID 33.00 mm, OD 34.60 mm, thickness 0.80 mm
by Perrin
$1.92
SKU 67-5117-78
O-Ring Case Back Gasket number 78, package of 2, ID 33.00 mm, OD 34.60 mm, thickness 0.80 mm