Omega® Crown (Waterproof, Tap 0.90 mm), steel, diameter 5.10 mm, case numbers: 166.0064, 166.0066, 166.0108, 166.0144, 166.0146, 166.0175, 566.0016

Omega® Crown (Waterproof, Tap 0.90 mm), steel, diameter 5.10 mm, case numbers: 166.0064, 166.0066, 166.0108, 166.0144, 166.0146, 166.0175, 566.0016

Omega® Steel Waterproof Crown, square, diameter 5.10 mm, fits tube 2.00 mm, total height 3.00 mm, flush pipe, tap 0.90 mm. Fits Omega® case numbers: 1660064, 1660066, 1660108, 1660144, 1660146, 1660175, 5660016

* 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.