![ISO Swiss Flat Case Back Gasket number 612, package of 2, ID 18.50 mm, OD 20.00 mm, thickness 0.40 mm](http://perrinwatchparts.com/cdn/shop/files/67-5105-160_6fa1d528-8567-4dc0-a700-a0c9bc6d17b3_300x300.jpg?v=1710961876)
ISO Swiss Flat Case Back Gasket number 612, package of 2, ID 18.50 mm, OD 20.00 mm, thickness 0.40 mm
by Perrin
$3.20
SKU 67-5105-612
ISO Swiss flat case back gasket number 612, package of 2 gaskets, ID 18.50 mm OD 20.00 mm thickness 0.40