![Generic Crystals to fit Omega® CY-OMEGA12 crystals PZ5137, PZ5142](http://perrinwatchparts.com/cdn/shop/files/CY-OMEGA12_300x300.jpg?v=1682612238)
31.60 mm round plastic crystal with white ring, this is a generic replacement (not original) for the Omega® crystals models PZ5137 and PZ5142. Using generic crystals may devalue your watch.
* 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.