Patek Philippe 5204P-011

 5204P-011> Men Grand Complications
Watch:

    Split-seconds chronograph and perpetual calendar
    Instantaneous 30-minute counter
    Day, month, leap year and day/night indication in apertures, date by hand
    Moon phases
    Seconds subdial
    Ebony-black opaline dial, gold applied hour markers with luminescent coating
    18K gold dial plate
    Strap: alligator with square scales, hand-stitched, shiny black
    Fold-over clasp
    Interchangeable full back and sapphire-crystal case back
    Water resistant to 30 m
    Platinum
    Case diameter: 40 mm

Caliber:

    Mechanical manually wound movement
    Caliber CHR 29-535 PS Q
    Perpetual calendar
    Split-seconds chronograph, 30-minute counter
    Diameter: 32 mm
    Height: 8.70 mm
    Jewels: 34
    Bridges: 12
    Parts: 496
    Balance: Gyromax®
    Vibrations/hour: 28 800 (4 Hz)
    Power reserve: With the chronograph disengaged: min. 55 hours - max. 65 hours
    Hallmark: Patek Philippe Seal