The Royal Oak Perpetual Calendar combines yellow gold with the most classic complication in all of watchmaking. Day, date, month, astronomical moon, with the week of the year displayed on the dial’s outer chapter ring and the essential leap year indication hold pride of place on the “Grande Tapisserie” decorated dial.
Case
18-carat yellow gold case, glareproofed sapphire crystal and caseback, screw-locked crown, water-resistant to 20 m.
Dial
Blue dial with “Grande Tapisserie” pattern, yellow gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel.
Bracelet
18-carat yellow gold bracelet with AP folding clasp.
Gold
Not only has gold always symbolized wealth and power, it has now been chosen as the most exquisite case for Audemars Piguet's ultra-precise and complex watch mecanisms.
mechanism
Powered by the natural movements of your wrist.
Complications
Calibre
The new selfwinding calibre 5134 is based on its predecessor, calibre 2120, however it has been enlarged in accordance with the updated 41 mm case size. The highly finished 4.31 mm thick movement is fully visible through the glareproofed sapphire crystal caseback.
Front
Back
Royal Oak PERPETUAL CALENDAR
Specifications
Watch
Ref #26574BA.OO.1220BA.01
Case
18-carat yellow gold case, glareproofed sapphire crystal and caseback, screw-locked crown, water-resistant to 20 m.
Case Width
41 mm
Water Resistance
20 m
Case Thickness
9.5 mm
Dial
Blue dial with “Grande Tapisserie” pattern, yellow gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel.
Bracelet
18-carat yellow gold bracelet with AP folding clasp.
Calibre
Manufacture 5134
Total diameter
29.00 mm
Frequency of balance wheel
2.75 Hz (19,800 vibrations/hour.)
Number of jewels
38
Calibre
Manufacture 5134
Type of balance-spring stud-holder
Mobile stud-holder.
Power reserve
40 h
Balance-spring type
Balance with variable inertia blocks.
Number of parts
374
Functions
Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.
See it in Person
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