IWC Grande Complication IW3770

Grande Complication, Reference IW3770 A limited edition platinum minute repeating perpetual calendar chronograph wristwatch with moon phases, Circa 1990 | 萬國 | GRANDE COMPLICATION 型號IW3770 | 限量版鉑金三問萬年曆計時腕錶，備月相顯示，約1990年製 IWC

PROPERTY OF THE ORIGINAL OWNER IWC Grande Complication, Reference IW3770 A limited edition platinum minute repeating perpetual calendar chronograph wristwatch with moon phases, Circa 1990 萬國 GRANDE COMPLICATION 型號IW3770 限量版鉑金三問萬年曆計時腕錶，備月相顯示，約1990年製 Dial: white Calibre: cal. 79091 automatic, 75 jewels Case: platinum, case back secured by 6 screws Case number: limited edition 28/50 and 2'555'028 Closure: black IWC alligator strap and platinum buckle Size: 42 mm diameter Signed: case, dial and movement Accessories: IWC Certificate of Origin, instruction manual and presentation box 附帶證書、說明書及盒子 Only the most complex timepieces are bestowed with the prestigious title of 'Grande Complication,' and the present watch is exemplary of such distinction. IWC introduced its first 'Grande Complication' wristwatch at the 1990 Basel watch fair. Leveraging Kurt Klaus' perpetual calendar module, IWC incorporated a minute repeater into the already intricate movement. The case measured 42 mm, a considerable size—especially at the time of its introduction. This particular lot from 1993 is limited to just 50 pieces, making it one of IWC's most exclusive timepieces. Comprising 659 meticulously crafted mechanical parts, the watch includes a perpetual calendar for the next 500 days, a moon phase display made of polished goldstone, a chronograph function, and a year display, rendering it an absolute tour de force. Completing the timepiece is its exceptional minute repeater, designed by Renaud & Papi, which beautifully chimes on two gongs.