Important Modern & Vintage Timepieces

Geneva, Mar 15, 2015

LOT 345

IWC REF. IW377401 PORTUGIESER GRANDE COMPLICATION PERPETUAL CALENDAR CHRONOGRAPH MINUTE REPEATER PLATINUM International Watch Co., Schaffhausen, Portuguese - Perpetual Calendar, Minute repeater, chronograph, No. 98/100, case No. 3954842, Ref. IW377401. Made in a limited edition of 100 pieces in 2014. Very fine, large, self-winding, water-resistant, platinum wristwatch with secular perpetual calendar, moon phases, chronograph and a platinum IWC deployant clasp. Accompanied by the original IWC box, blank guarantee card, instruction booklet and fibre cleaning cloth.

Three-body, solid, polished and brushed, concave lugs, stepped concave bezel, case back with 4 screws engraved with a sextant, sapphire crystal. Silver with applied white gold Arabic numerals, outer baton minute markers, subsidiary dials for the seconds, the day, date, months and 12-hour counter, aperture for the moon phases combined with 30-minute counter and the 4-digit year. White gold feuille hands. Cal. C. 79091, rhodium-plated, fausses cotes decoration, 75 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self compensating Breguet balance spring, micrometer regulator.