Omega® Case Tube for Crown, fits Omega® crown 42154, case numbers: 178.0515, 178.0516, 178.0520, 178.0521

Omega® Case Tube for Crown, fits Omega® crown 42154, case numbers: 178.0515, 178.0516, 178.0520, 178.0521

Case Tube, Threaded into the case, case diameter 2.50 mm, crown side is threaded with a diameter of 2.60 mm. Tube is threaded on the interior. Fits Omega® crown 42154. Fits Omega® case numbers: 1780515, 1780516, 1780520, 1780521

* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Omega®. Omega® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic parts may devalue your watch.