Omega® Case Clamp, case numbers: 168.1503, 168.1640
Case Clamp, width 2.50 mm, length 6.40 mm. To fit Omega® case numbers: 1681503, 1681640
* 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.