Omega® Case Back Gasket ("Sans Fil" polyurethane), inside diameter 27.76 mm, outside diameter 29.00 mm, see all case numbers in description Height 1.75 - 1.99 height of crown 4

height of crown 4

Double cut

Cratex abrasives can be shaped with conventional wheel dressers and do not harden or soften during use or storage

with 3 indicators: 24 hours @3

Material: Unbreakable

Omega® Case Back Gasket ("Sans Fil" polyurethane), inside diameter 27.76 mm, outside diameter 29.00 mm, see all case numbers in description Height 1.75 - 1.99 height of crown 4Omega Case Back Gasket ("Sans Fil" polyurethane), inside diameter 27. 76 mm, outside diameter 29. 00 mm, see all case numbers in description Case Back Gasket Round "Sans Fil" polyurethane, inside diameter 27. 76 mm, outside diameter 29. 00 mm, height 1. 00 mm, to fit Omega case numbers: 7443, 1660277, 1660281, 1960078, 1960105, 1960189, 1960195, 1960261, 1960232, 1967443, 1920036, 1920037, 1980111, 1980114, 1980117, 3920005, 3980852 *Perrin Supply Ltd