Σ131
Ref. 232.64.20
An extremely rare, very complicated and large platinum limited edition reversible tourbillon instantaneous perpetual calendar rectangular wristwatch with triple dials featuring the date, 24 hours, moon phases, equation of time, zodiac calendar, astronomical chart, sidereal time, sunrise and sunset time display, power reserve, day and night and leap year indicator, original certificate and fitted presentation box, made for the Russian market
Circa 2009
38 mm. width
Case, dial and movement signed, case further engraved 46/75
Estimate
HK$1,400,000 - 2,400,000