![Slim O-Ring Case Back Gasket number 409, package of 2, ID 17.70 mm, OD 18.50 mm, thickness 0.40 mm](http://perrinwatchparts.com/cdn/shop/files/67-5119-409_34e14d3e-9f4d-4f88-9a53-bc167e4a6aaa_300x300.jpg?v=1710962527)
Slim O-Ring Case Back Gasket number 409, package of 2, ID 17.70 mm, OD 18.50 mm, thickness 0.40 mm
by Perrin
$2.50
SKU 67-5119-409
Slim O-Ring Case Back Gasket number 409, package of 2, ID 17.70 mm, OD 18.50 mm, thickness 0.40 mm