VACHERON CONSTANTIN HARMONY DUAL TIME - 260TH ANNIVERSARY, REF.7810S, A LIMITED EDITION WHITE GOLD DUAL TIME WRISTWATCH WITH DAY/NIGHT INDICATION, CIRCA 2018Property of an Asian Private CollectorVACHERON CONSTANTIN | HARMONY DUAL TIME - 260TH ANNIVERSARY, REF.7810S, A LIMITED EDITION WHITE GOLD DUAL TIME WRISTWATCH WITH DAY/NIGHT INDICATION, CIRCA 2018Case No: 1328179Calibre: 2460DT, automatic, signedDial: Silvered, signedCase: 40mm, 18k white gold, transparent case back, signedStrap: Maker's endangered species, 18k white gold double folding clasp, signedAccompaniments: Maker's presentation box, certificate, travel pouch, 2 swing tags, magnifying glass and USB flash driveLast known retail price approximately HK$320,000.前零售價大約 HK$320,000。江詩丹頓，「Harmony Dual Time - 260th Anniversary」7810S型號，限量白金自動上弦兩地時間腕錶，配晝夜顯示，年份約2018。附原廠錶盒、證書、攜行錶袋、兩枚吊牌、放大鏡及隨身碟。