Omega® Crown (Waterproof, Tap 0.90 mm), domed top, diameter 4.00 mm, fits tube 1.60 mm, steel, diameter 4.00 mm, see all case numbers in description

Omega® Crown (Waterproof, Tap 0.90 mm), domed top, diameter 4.00 mm, fits tube 1.60 mm, steel, diameter 4.00 mm, see all case numbers in description

Omega® Steel Waterproof Crown, domed top, diameter 4.00 mm, fits tube 1.60 mm, total height 3.30 mm, flush pipe, tap 0.90 mm. Fits Omega® case numbers: 1681201, 3681201, 3681206, 3681210, 3681212, 3681213, 3681216, 3681219, 3681222, 3681225, 3961202

* 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.