Patek Philippe 5271P-001

 5271P-001> Men Grand Complications
Watch:

    Chronograph with instantaneous 30-minute counter
    Perpetual calendar
    Day, month, leap year and day/night in apertures
    Date by hand
    Moon phases
    Seconds subdial
    Tachymeter scale
    Bezel and lugs set with 58 baguette diamonds (~3.63 ct.)
    Black lacquered dial, applied gold hour markers and 1 baguette diamond at 12 o’clock
    Strap: alligator with square scales, hand-stitched, shiny black
    Fold-over clasp set with 22 baguette diamonds (~0.97 ct)
    Interchangeable full back and sapphire-crystal case back
    Water resistant to 30 m
    Platinum
    Case diameter: 41 mm

Caliber:

    Mechanical manually wound movement
    Caliber CH 29-535 PS Q
    Chronograph and perpetual calendar
    Center chronograph hand and instantaneous 30-minute counter
    Day, month, leap year and day/night indication in apertures
    Date by hand
    Moon phases
    Seconds subdial
    Diameter: 32 mm
    Height: 7 mm
    Jewels: 33
    Parts: 456
    Balance: Gyromax®
    Vibrations/hour: 28 800 (4 Hz)
    Power reserve: With the chronograph disengaged: min. 55 hours - max. 65 hours