![ISO Swiss Flat Case Back Gasket number 617, package of 2, ID 20.50 mm, OD 22.70 mm, thickness 0.40 mm](http://perrinwatchparts.com/cdn/shop/files/67-5105-160_a3165542-89a8-4bbc-b7e8-8f791e0acb41_300x300.jpg?v=1710961935)
ISO Swiss Flat Case Back Gasket number 617, package of 2, ID 20.50 mm, OD 22.70 mm, thickness 0.40 mm
by Perrin
$3.20
SKU 67-5105-617
ISO Swiss flat case back gasket number 617, package of 2 gaskets, ID 20.50 mm OD 22.70 mm thickness 0.40