![ISO Swiss Flat Case Back Gasket number 104, package of 2, ID 18.20 mm, OD 17.00 mm, thickness 0.50 mm](http://perrinwatchparts.com/cdn/shop/files/67-5105-104_23e300b2-f55b-4bb1-bf43-750c026cfa63_300x300.jpg?v=1710961839)
ISO Swiss Flat Case Back Gasket number 104, package of 2, ID 18.20 mm, OD 17.00 mm, thickness 0.50 mm
by Perrin
$2.29
SKU 67-5105-104
ISO Swiss flat case back gasket number 104, package of 2 gaskets, ID 18.20 mm OD 17.00 mm thickness 0.50