1. Tradition
  • Tradition PERPETUAL CALENDAR, Watch Reference 26051PT.OO.D092CR.01

    PERPETUAL CALENDAR

    Hand-wound perpetual calendar watch indicating the day, the date, the moon phases, the month and the leap years. 950 platinum case, silvered dial, brown strap. Availability to be confirmed.

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      Details

      • Case Width 43.80 mm
      • Case Thickness 8.50 mm
      • Water Resistance 20 m

      Specifications

      Case
      950 platinum case, sapphire crystal and caseback
      Dial
      Silver-toned dial, pink gold applied Arabic numerals and hands
      Bracelet
      Hand-stitched “large square scale” brown alligator strap with 950 platinum AP folding clasp
      Reference
      26051PT.OO.D092CR.01
      Functions
      Perpetual calendar with day, date, moon phases, months, leap years, hours, minutes
      Movement thickness with module
      3.00 mm
      Total diameter
      36.1 mm
      Total diameter
      15¾ lines
      Type of balance
      With Variable inertia screws
      Frequency of balance wheel
      3,00 (=21'600 alternances/hour) Hz
      Type of balance-spring stud-holder
      Mobile stud
      Balance-spring type
      Flat
      Number of jewels
      20
      Power reserve
      42 h

      specificities

      • Extra-thin movement
      • Manual finishing of the cut out parts (polished bevels, grained finishing on top and Matt "brouillé" finishing underneath)
      • Moonphase made with Physical Vapor Deposited metal onto sapphire
      • Perpetual calendar / Date / Day / Month / Leap year / Moonphases

      Calibre

      Hand-Wound Manufacture Calibre 5020

      Hand-Wound Manufacture Calibre 5020, front
      Front
      Hand-Wound Manufacture Calibre 5020, back
      Back
      DOWNLOAD USER MANUAL (PDF) see all watches with the calibre

    Audemars Piguet History

    The perpetual calendar has a memory capable of mastering calendar irregularities through the year 2100.