Period Circa 1998 Description Cal. C37521, automatic movement, circular white dial with batons, date aperture at “3”, 21 jewels, case no. 2676310, movement no. 2547194, with guarantee card and booklet, no box, model: Portofino. Weight / Size / Quality Gross weight 52 grams., An 18k gold gentlemen's wristwatch with date, IWC