Omega® Crown (Waterproof, with split post attached), steel,, total length 6.660 mm, case numbers: 165.0016, 166.0016

Omega® Crown (Waterproof, with split post attached), steel,, total length 6.660 mm, case numbers: 165.0016, 166.0016

Omega® Steel Waterproof Crown with female post attached, square, diameter 4.00 mm, fits tube 2.00 mm, total length 6.60 mm. Fits Omega® case numbers: 1650016, 1660016

* 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.