1. Ladies Royal Oak Collection
Variations: Model 77321
  • Reference 77321ST.ZZ.1230ST.01
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    Selfwinding

    Selfwinding watch with date display and centre seconds. Stainless steel case, silvered dial, stainless steel bracelet. 32 brilliant-cut diamonds, ~0.65 carats.

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    Details

    • Case Width 33.00 mm
    • Case Thickness 10.40 mm
    • Water Resistance 50 m

    Specifications

    Case
    Glareproofed sapphire crystal, diamond-set bezel, crown set with a translucent cabochon sapphire , water-resistant to 50 m
    Dial
    «Grande Tapisserie» pattern, white gold applied hour-markers and aperture
    Bracelet
    Stainless steel AP folding clasp
    Reference
    77321ST.ZZ.1230ST.01
    Functions
    Hours, minutes, centre seconds, date
    Total diameter
    9 mm
    Type of balance
    Annular
    Frequency of balance wheel
    4,00 (=28'800 alternances/hour) Hz
    Type of balance-spring stud-holder
    Mobile stud
    Balance-spring type
    Flat
    Direction of automatic winding
    Bidirectional
    Type of oscillating weight
    Weight segment in 21-carat gold
    Number of jewels
    31
    Power reserve
    40 h
    Number of parts
    147

    specificities

    • Stop balance when setting time
    • Date / Date in Dial aperture

    Calibre

    Calibre 2140

    Calibre 2140, front
    Front
    Calibre 2140, back
    Back
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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.

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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 Royal Oak is named for British Royal Navy battleships, themselves christened for the tree where King Charles II hid from his enemies.

Heritage #2
Learn More About Our History
Original Royal Oak, 1972
Original Royal Oak, 1972

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