1. Royal Oak
Variations: Model 25977
  • Reference 25977OR.OO.D002CR.01

    TOURBILLON CHRONOGRAPH

    Hand-wound tourbillon chronograph with small seconds at 9 o'clock. 18-carat pink gold case, black dial, black strap.

    Explore Royal Oak

    Tout-ro-movie-30
    Royal Oak To break the rules, you must first master them.
    tout-tourbillon
    Savoir-faire Time Keeping Complications
    Tout-ro-movie-casing
    Savoir-faire Casin up a Royal Oak

    Details

    • Case Width 44.00 mm
    • Case Thickness 12.90 mm
    • Water Resistance 20 m

    Specifications

    Case
    Sapphire crystal and caseback, water-resistant to 20 m
    Dial
    «Grande Tapisserie» pattern, gold applied hour-markers with luminescent coating, gold Royal Oak hands with luminescent coating
    Bracelet
    Hand-stitched «large square scale» crocodile with stainless steel or 18-carat gold AP folding clasp
    Reference
    25977OR.OO.D002CR.01
    Functions
    Tourbillon , chronograph, hours, minutes, small seconds
    Total diameter
    13¼ mm
    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
    Breguet
    Number of jewels
    28
    Power reserve
    72 h
    Number of parts
    290

    specificities

    • Integrated Chronograph movement
    • Column wheel Chronograph mechanism
    • 30-minute counter
    • Manual finishing on both bridges and mainplate
    • Manual finishing of the cut out parts (polished bevels, grained finishing on top and Matt "brouillé" finishing underneath)
    • TOURBILLON
    • Chronograph / Minutes counter / Seconds counter

    Calibre

    Calibre 2889 Manufacture

    Calibre 2889 Manufacture, front
    Front
    Calibre 2889 Manufacture, back
    Back
    DOWNLOAD USER MANUAL (PDF)

Audemars Piguet History

Chronographs have long been a specialty of the watchmakers of the Vallée de Joux.

Royal Oak Chronograph