PATEK PHILIPPE Reference 5139G, PERPETUAL CALENDAR, 18K white gold | Important Modern & Vintage Timepieces. | Hong Kong, October 27th, 2018
PATEK PHILIPPE Reference 5139G, PERPETUAL CALENDAR, 18K white gold, 18K white gold, self-winding, round-shaped, gentleman's wristwatch, with sapphire-crystal snap-on case-back and "Clous de Paris" bezel, with seven horological complications: Perpetual calendar, Date of the month (subsidiary dial at 6 o'clock), Day of the week (subsidiary dial at 9 o'clock; indications given in English), Month of the year (subsidiary dial at 3 o'clock; indications given in English), Phases of the moon (aperture at 6 o'clock), Four-year cycle of leap-years (subsidiary dial at 3 o'clock), Diurnal (day-time) an.cturnal (night-time) hours with a 24-hour (AM-PM) scale (subsidiary dial at 9 o'clock)
