Σ1170
Ref. Q6006420
An extremely rare and highly complicated platinum perpetual calendar wristwatch with equation of time, power reserve indication, gyrotourbillon regulator, warranty and box, numbered 64 of a limited edition of 75 pieces
Circa 2010
42.5mm Diameter
Case, dial, movement and clasp signed
Estimate
HK$625,000 - 1,095,000
€70,500-123,000
$80,100-140,000
Sold for HK$950,000