IWC REF 3770 GRANDE COMPLICATION NO. 04 PLATINUM
International Watch Co., Schaffhausen, "Grande Complication," No. 04/50, case No. 2554004,
Ref. 3770. Made in a limited edition of 50 pieces in 1993, sold on January 2nd, 1994.
Very fine and extremely rare, important, minute-repeating, self-winding platinum wristwatch with
square button chronograph, registers, secular perpetual calendar, moon phases and a platinum
IWC buckle. Accompanied by the original warranty card, certificate, instruction booklet and
Three-body, solid, polished, case back with 6 screws, inclined bezel, curved straight lugs,
screwed-down winding crown, sapphire crystal.
White enamel with applied yellow gold baton indexes, subsidiary dials for the seconds, the
12-hour and 30-minute registers, the date, days of the week, and the months, apertures for the
four-digit year and the phases of the moon. Yellow gold baton hands.
Cal. 79091, rhodium plated, fausses cotes decoration, 68 jewels, straight-line lever escapement,
monometallic balance, shock absorber, self-compensating flat balance spring, repeating
on gongs activated by a slide on the band.