Omega® Crown (Waterproof, with split post attached), case numbers: 166.0079, 166.0080

Omega® Crown (Waterproof, with split post attached), case numbers: 166.0079, 166.0080

Omega® Steel Waterproof Crown with female post attached, square, diameter 4.50 mm, fits tube 2.00 mm, total length 7.70 mm. Fits Omega® case numbers: 1660079, 1660080

* 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.