1. Tradition
  • Reference 26051PT.OO.D092CR.01
    Magnify

    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.

    Details

    • Case Width 47.00 mm
    • Case Thickness 8.50 mm
    • Water Resistance None

    Specifications

    Case
    Sapphire crystal and caseback, not water-resistant
    Dial
    Pink gold applied Arabic numerals, pink gold hands
    Bracelet
    Hand-stitched «large square scale» crocodile 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

    Selfwinding Manufacture Calibre 5020

    Selfwinding Manufacture Calibre 5020, front
    Front
    Selfwinding Manufacture Calibre 5020, back
    Back
    DOWNLOAD USER MANUAL (PDF)

Expert Service

As an Audemars Piguet owner, you’ll have access to the world’s brightest master horologers – many trained here in the Vallée de Joux.

Service

Visit a Boutique

You can indulge your fascination with our timepieces at retail locations and at our exclusive boutiques, all over the world.

Where to buy
Audemars Pigeut boutique in Geneva, Switzerland

Audemars Piguet History

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

Heritage #7
Learn More About Our History

Explore More Audemars Piguet