1. Royal Oak
  • Royal Oak Leo Messi, Watch Reference 26325TS.OO.D005CR.01
  • Royal Oak Leo Messi, Watch Reference 26325OL.OO.D005CR.01
  • Royal Oak Leo Messi, Watch Reference 26325PL.OO.D310CR.01
  • Royal Oak Chronograph, Watch Reference 26320OR.OO.D002CR.01
  • Royal Oak Chronograph, Watch Reference 26320OR.OO.1220OR.01
  • Royal Oak Chronograph, Watch Reference 26320OR.OO.1220OR.02
  • Royal Oak Chronograph, Watch Reference 26320OR.OO.D088CR.01
  • Royal Oak Chronograph, Watch Reference 26320ST.OO.1220ST.01
  • Royal Oak Chronograph, Watch Reference 26320ST.OO.1220ST.03
  • Royal Oak Chronograph, Watch Reference 26320ST.OO.1220ST.02
  • Royal Oak Chronograph, Watch Reference 26557OR.ZZ.D098CR.01
  • Royal Oak Chronograph, Watch Reference 26557OR.ZZ.D098CR.02
  • Royal Oak Chronograph, Watch Reference 25966BC.ZZ.1185BC.01
  • Royal Oak Chronograph, Watch Reference 25978BC.ZZ.1190BC.01
  • Royal Oak Chronograph, Watch Reference 26068BC.ZZ.D002CR.01
Variations: Model 26320
  • Royal Oak Chronograph, Watch Reference 26320ST.OO.1220ST.01

    Chronograph

    Selfwinding chronograph with date display and small seconds at 6 o'clock. Stainless steel case, black dial, stainless steel bracelet.

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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, white gold applied hour-markers and Royal Oak hands with luminescent coating
      Bracelet
      Stainless steel with AP folding clasp
      Reference
      26320ST.OO.1220ST.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
      DOWNLOAD USER MANUAL (PDF) see all watches with the calibre

    Audemars Piguet History

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

    Royal Oak Chronograph