1. Jules Audemars
Variations: Model 26391
  • Reference 26391OR.00.D088CR.01

    Dragon Perpetual Calendar

    Selfwinding perpetual calendar watch indicating the day, the date, the moon phases, the month and the leap years. 18-carat pink gold case, white dial, brown strap. Limited edition of 88.

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    Details

    • Case Width 41.00 mm
    • Case Thickness 9.15 mm
    • Water Resistance None

    Specifications

    Case
    Glareproofed sapphire crystal and caseback, water-resistant to 20 m
    Dial
    Lacquered dial with enamel effect, counters with black printed Arabic numerals, pink gold applied Roman numerals and hands
    Bracelet
    Hand-stitched «large square scale» crocodile with 18-carat pink gold AP folding clasp
    Reference
    26391OR.00.D088CR.01
    Functions
    Perpetual calendar with day, date, moon phases, months, leap years, hours, minutes
    Movement thickness with module
    4.00 mm
    Total diameter
    12½ mm
    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
    38
    Power reserve
    40 h
    Number of parts
    343

    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)
    • Hand crafted decorative engravings on oscillating weight componants
    • Moonphase made with Physical Vapor Deposited metal onto sapphire
    • Oscillating weight can be custom decorated upon customer's request
    • Perpetual calendar / Date / Day / Month / Leap year / Moonphases

    Calibre

    Calibre 2120 / 2802 Manufacture

    Calibre 2120 / 2802 Manufacture, front
    Front
    Calibre 2120 / 2802 Manufacture, back
    Back
    DOWNLOAD USER MANUAL (PDF)

Audemars Piguet History

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