![ISO Swiss Flat Case Back Gasket number 138, package of 2, ID 29.30 mm, OD 31.30 mm, thickness 0.50 mm](http://perrinwatchparts.com/cdn/shop/files/67-5105-138_0dbb04d3-93b9-4051-977d-e7022a5e119a_300x300.jpg?v=1710962208)
ISO Swiss Flat Case Back Gasket number 138, package of 2, ID 29.30 mm, OD 31.30 mm, thickness 0.50 mm
by Perrin
$3.00
SKU 67-5105-138
ISO Swiss flat case back gasket number 138 package of 2 gaskets, ID 29.30 mm OD 31.30 mm thickness 0.50