1. Royal Oak
  • Royal Oak OPENWORKED EXTRA-THIN , Watch Reference 15204OR.OO.1240OR.01
  • Royal Oak Openworked Extra-thin, Watch Reference 15203PT.OO.1240PT.01
  • Royal Oak Extra-thin Selfwinding, Watch Reference 15202ST.OO.1240ST.01
  • Royal Oak Extra-thin, Watch Reference 15202OR.OO.1240OR.01
Variations: Model 15202
  • Royal Oak Extra-thin Selfwinding, Watch Reference 15202ST.OO.1240ST.01

    Extra-thin Selfwinding

    Selfwinding watch with date display. Stainless steel case, blue dial, stainless steel bracelet.

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      Savoir-faire Making a Royal Oak case and bezel

      Details

      • Case Width 39.00 mm
      • Case Thickness 8.10 mm
      • Water Resistance 50 m

      Specifications

      Case
      Stainless steel case, glareproofed sapphire crystal and caseback, water-resistant to 50 m
      Dial
      Blue dial with "Petite Tapisserie"pattern, white gold applied hour-markers and Royal Oak hands with luminescent coating
      Bracelet
      Stainless steel bracelet with AP folding clasp
      Reference
      15202ST.OO.1240ST.01
      Functions
      Hours, minutes, date
      Base movement thickness
      3.05 mm
      Total diameter
      28.40 mm
      Total diameter
      12 ½ lines
      Type of balance
      With Variable inertia blocks
      Frequency of balance wheel
      2,75 (=19'800 alternances/hour) Hz
      Type of balance-spring stud-holder
      Mobile stud
      Balance-spring type
      Flat
      Direction of automatic winding
      Bidirectional
      Type of oscillating weight
      Support and weight segment in 21-carat gold
      Number of jewels
      36
      Power reserve
      40 h
      Number of parts
      247

      specificities

      • Extra-thin movement
      • Suspended barrel
      • Shake of the oscillating weight garanteed thanks to annular ring running on four jewels
      • Manual finishing of the bridges (polished bevels, satinbrushed edges, Perlage on the recesses)
      • Manual finishing on both bridges and mainplate
      • Oscillating weight can be custom decorated upon customer's request
      • Date / Date in Dial aperture

      Calibre

      Selfwinding Manufacture Calibre 2121 Royal Oak

      Selfwinding Manufacture Calibre 2121 Royal Oak, front
      Front
      Selfwinding Manufacture Calibre 2121 Royal Oak, back
      Back
      DOWNLOAD USER MANUAL (PDF) see all watches with the calibre

    Audemars Piguet History

    The first watchmakers of the Valley were Huguenot refugees, who brought a deep knowledge of fine metalwork.