IWC. A fine and rare oversized platinum limited edition automatic perpetual calendar minute repeating chronograph wristwatch with moon phases
Signed IWC, Schaffhausen, Grande Complication, No. 18/50, ref. 3770, movement no. 2'435'124, case no. 2'554'018, manufactured in 1993
Cal. 79091 nickel-finished lever movement, 75 jewels, minute repeating on two gongs, white dial, applied white gold baton numerals, four subsidiary dials for 30 minutes register and moon phases, day and constant seconds, date, month and 12 hours register, aperture for the four digit year display between 7 and 8 o'clock, large circular case, stepped bezel, screw down crown, back secured by six screws and with the inscription International Watch Co., Grande Complication, 1993, No. 18/50, Platinum, repeating slide in the band, platinum IWC buckle, case, dial and movement signed
43 mm. diam.