Omega® Crown (Hermetic), steel, case numbers: 3903, 3950
Omega® Steel Hermetic Crown, thin, slightly domed, diameter 6.00 mm, fits tube 2.00 mm, total height of crown 2.35 mm, short pipe, tap 0.90 mm. Fits Omega® case numbers: 3903, 3950
* 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.