Omega® Crown (Waterproof, steel), fits Omega Case Number 166.0077

Omega® Steel Crown, this is a unique crown approximately 9.50 mm, includes multiple components, for an Omega® Seamaster "Divers Professional". Fits Omega® case numbers: 1660077

*Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega®. Omega® warranty does not apply to parts supplied byPerrin Supply Ltd. Using generic parts may devalue your watch.