Omega® Crown (Dustproof), steel, case numbers: 7561
Omega® Steel Dustproof Crown, flat top, diameter 3.50 mm, total height of crown including pipe 2.60 mm, medium pipe, tap 0.90 mm. Fits Omega® case number 7561
* 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.