Reference 3751 Da Vinci | A limited edition platinum automatic split-second perpetual calendar chronograph with moon phases, Circa 1995 Dial: silvered Caliber: cal. 79251 automatic, 43 jewels Case: platinum, snap-on case back Case number: 2’622’690, 140/500 Closure: platinum IWC buckle Size: 39 mm diameter Signed: case, dial and movement Box: yes Papers: yes Accessories: IWC presentation box with outer packaging, open International Guarantee, and booklets