Patek Philippe Men Grand Complications Perpetual Calender Chronogragh Watch - 5271P-001 Master 42 mm polished AISI 316L

42 mm polished AISI 316L stainless steel case

slate dial with 18K white gold grid in the form of Roman numerals

month in aperture

burnished see-through sapphire crystal back

Patek Philippe Men Grand Complications Perpetual Calender Chronogragh Watch - 5271P-001 Master 42 mm polished AISI 316L41 mm platinum case, interchangeable full and sapphire crystal back, bezel and lugs set with 58 baguette diamonds (~3. 63 ct), black lacquered dial with gold applied hour markers and 1 baguette diamond at 12 o'clock, caliber CH 29 535 PS Q manually wound movement with central chronograph hand and instantaneous 30 minute counter, perpetual calendar, day, month, leap year and day night display in apertures, date by hand, seconds subdial, tachymeter