IWC Ingenieur Tourbillon Platinum Ceramic Hand-Wound Leather and Rubber Strap Case: 950 platinum / ceramic, polished and satin-finished; case diameter without crown: 46 mm; case thickness: 14.1 mm. Bezel: 950 platinum, polished and satin-finished. IWC strap in black leather/rubber with decorative stitching, lug width 29 mm, IWC pin buckle in 950 platinum with manufacturer’s logo. Black dial with applied hour markers, Arabic numerals, and black hands; open-heart design with a view of the tourbillon at 9 o’clock. Movement: Hand-wound, IWC Manufacture Caliber 94800 with 43 jewels. Hour and minute display via central hands, small seconds at 9 o’clock, moon phase display and day/night indicator at 2 o’clock, power reserve indicator between 4 and 5 o’clock. Scratch-resistant sapphire crystal. Screw-down crown with flange protection and manufacturer’s logo. Case back made of 950 platinum, secured with five screws and engraved, featuring a sapphire crystal viewing window. Weight of the watch, including the strap: 256 g. Reference number: IW590001, case number: 3907XXX, ID: KS15143900000625AH-260000, item number: 10000080535. Original IWC box and warranty papers from November 2013, as well as a description and polishing cloth—full set. An investment with potential for appreciation; an extremely rare collector’s item. Like new. Available immediately. Includes a watch.de Certified Pre-Owned certificate / watch passport with a color photo, a detailed description, the watch’s replacement value of over €260,000, and a 1,000-day warranty from the date of purchase.