![O-Ring Case Back Gasket number 20, package of 2, ID 26.40 mm, OD 27.60 mm, thickness 0.60 mm](http://perrinwatchparts.com/cdn/shop/files/67-5117-20_afb980fc-ee17-4e4e-aca8-aadd5074fec5_300x300.jpg?v=1710963062)
O-Ring Case Back Gasket number 20, package of 2, ID 26.40 mm, OD 27.60 mm, thickness 0.60 mm
by Perrin
$2.50
SKU 67-5117-20
O-Ring Case Back Gasket number 20, package of 2, ID 26.40 mm, OD 27.60 mm, thickness 0.60 mm