Omega® Crown, Backwind, pink colour, case numbers: 511.0202
Omega® Pink "Backwind" Crown, diameter 4.75 mm, height 1.50 mm for Omega caliber 690. Fits Omega case number 5110202
* 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.