IWC DA VINCI PERPETUAL CALENDAR IN YELLOW GOLD - From 1998 Serial N° 2442231 Year: 1998 Material: 18k yellow gold Weight: 94g Dimensions: 38mm Calibre: Automatic Crystal: Plexy Bracelet: Leather with 18k yellow gold IWC buckle Accessories: Original warranty and booklets Very impressive masterpiece by IWC, in yellow gold accompanied by guarantee, good conditions and currently working.