International Watch Co. Da Vinci Perpetual Calendar, Edition Kurt Klaus A heavy platinum wristwatch in near mint condition, with perpetual calendar, moon phase and chronograph, designed by Kurt Klaus, highly successful designer and inventor at IWC - with original box, guarantee card, original blank certificate, operating instructions, booklet and cleaning cloth - full set! Ref. 376201, Cal. 79261, Case No. 3297662, Dimensions 43 x 51 mm, circa 2010, Limited 27/50, Weight 233 g, Origin Swiss Case: platinum, screwed on back with embossed portrait of Kurt Klaus, rectangular chronograph pushers, fast setting of the calendar via screwed crown, IWC platinum deployant clasp. Dial: silvered, engine-turned, applied luminous indexes, auxiliary seconds at ''9'', 30 min. and 12h counter, small aperture for four-digit year display, subsidiary dials for indications of the weekday, the month and the date, perpetual moon phase display, Kurt Klaus' facsimile signature between "4" and "5", luminous alpha hands. Movm.: Automatic. Kurt Klaus spent over 50 years with the company as a highly successful designer and inventor. During this period, his designs included an easy-to-use perpetual calendar that could be set using the crown together with a moon phase display that required no correction buttons. The limited Da Vinci Perpetual Calendar Edition Kurt Klaus pays a fitting tribute to an outstanding watchmaker. Each of the displays – i.e. date, day, month, four-digit year and moon phase – can be advanced synchronously, a day at a time and whenever needed, using the crown. Source: http://www.iwc.com Case: very good. Dial: as new. Movm.: as new, capable of running. Case: very good. Dial: as new. Movm.: as new, capable of running.