For Rolex case numbers:16800 16803 16808 16550 16570 16610 16613 16618 16700 16710 16713 16718 16758 16760. Sapphire Crystal. Crystal with Gasket Ø30.60mm. Supplied with gasket height 2.30mm. Crystal Ø30.40mm (Step Ø29.50mm).
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