![O-Ring Case Back Gasket number 66, package of 2, ID 31.50 mm, OD 33.50 mm, thickness 1.00 mm](http://perrinwatchparts.com/cdn/shop/files/67-5117-66_f624d4f3-d74b-4a07-847e-67e3fe1027bf_300x300.jpg?v=1710963472)
O-Ring Case Back Gasket number 66, package of 2, ID 31.50 mm, OD 33.50 mm, thickness 1.00 mm
by Perrin
$2.50
SKU 67-5117-66
O-Ring Case Back Gasket number 66, package of 2, ID 31.50 mm, OD 33.50 mm, thickness 1.00 mm