1. Royal Oak
Variations: Model 26320
  • Reference 26320OR.OO.D088CR.01

    Chronograph

    Selfwinding chronograph with date display and small seconds at 6 o'clock. 18-carat pink gold case, silvered dial, brown strap.

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    Details

    • Case Width 41.00 mm
    • Case Thickness 10.80 mm
    • Water Resistance 50 m

    Specifications

    Case
    Glareproofed sapphire crystal, screw-locked crown, water-resistant to 50 m
    Dial
    "Grande Tapisserie" pattern, pink gold applied hour-markers and Royal Oak hands with luminescent coating
    Bracelet
    Hand-stitched "large square scale" crocodile strap with 18-carat pink gold AP folding clasp
    Reference
    26320OR.OO.D088CR.01
    Functions
    Chronograph, hours, minutes, small seconds, date
    Total diameter
    26.2 mm
    Total diameter
    11½ lines
    Type of balance
    Annular
    Frequency of balance wheel
    3,00 (=21'600 alternances/hour) Hz
    Type of balance-spring stud-holder
    Mobile stud
    Balance-spring type
    Flat
    Direction of automatic winding
    Unidirectional (see recommendations underneath)
    Type of oscillating weight
    Monobloc in 18-carat gold
    Number of jewels
    37
    Power reserve
    40 h
    Number of parts
    304

    specificities

    • Integrated Chronograph movement
    • Column wheel Chronograph mechanism
    • Date / Date in Dial aperture
    • Chronographe / Hour counter / Minutes counter / Seconds counter

    Calibre

    Selfwinding Calibre 2385

    Selfwinding Calibre 2385, front
    Front
    Selfwinding Calibre 2385, back
    Back
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Audemars Piguet History

Chronographs have long been a specialty of the watchmakers of the Vallée de Joux.

Royal Oak Chronograph