Omega® Crown (Dustproof), yellow, 5.00 mm
Omega® Yellow Dustproof Crown, slightly domed, diameter 5.00 mm, total height of crown including pipe 2.45 mm, medium pipe, tap 1.00 mm. Case numbers are unknown.
* 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.