FOR IWC DA VINCI IW4523 SAPPHIRE WATCH CRYSTAL GLASS Replacement Spare Part C133
IWC Da Vinci IW4523. Model - IWC Da Vinci IW4523. The crystal is 31.5mm X 27.5mm and 1mm thick. This product is designed for the Da Vinci range but is not made by. S ize - 31.5mm X 27.5mm X 1mm (edge) / 1.3mm (centre).