![Mido® Crystals CY-MIDO63 “Ocean Star”](http://perrinwatchparts.com/cdn/shop/files/CY-MIDO63_300x284.jpg?v=1683040735)
30.90 mm outside diameter, low profile plastic crystal, 28.50 mm opening diameter of the inside ring, grey ring with radium dots (Mido® colour 40-R), no minute track “Ocean Star”, original vintage Mido® crystal
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Mido®. Mido® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.