Bonhams 1793 : Patek Philippe. A very fine 18ct gold manual wind perpetual calendar wristwatch with chronograph Perpetual Calendar Chronograph, Ref. 5970J, Circa 2009

Perpetual Calendar Chronograph, Ref. 5970J, Circa 2009
24-jewel, Cal. CH 27-70 Q manual wind movement adjusted to heat, cold, isochronism and 8 positions, silver dial with applied gold baton hour markers, gold baton hour and minute hands, outer tachometer chapter ring, aperture for day of the week and month at 12, 30-minute counter and leap year at 3, subsidiary dial for date and moon phase aperture at 6, 60-second counter with am / pm indicator at 9, polished 18ct gold case, sapphire crystal, screw in display case back, leather strap with 18ct gold double folding buckle, together with fitted box and certificate, case, dial and movement signed
40mm.

Sold for HK$ 1,080,000 inc. premium