Crafted in hand-finished black ceramic, this Royal Oak Perpetual Calendar features day, date, month, astronomical moon, and week of the year. The leap year indication — pioneered by Audemars Piguet in 1955 — is also featured on the “Grande Tapisserie” decorated dial.
Case
Black ceramic case, glareproofed sapphire crystal and caseback.
Dial
Slate grey dial with “Grande Tapisserie” pattern, black counters, white gold applied hour-markers and Royal Oak hands with luminescent coating, black inner bezel.
Bracelet
Black ceramic bracelet with titanium AP folding clasp.
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
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Royal Oak PERPETUAL CALENDAR
Specifications
Watch
Ref #26579CE.OO.1225CE.01
Case
Black ceramic case, glareproofed sapphire crystal and caseback.
Case Size
41 MM
Water Resistance
20 m
Case Thickness
9.5 MM
Dial
Slate grey dial with “Grande Tapisserie” pattern, black counters, white gold applied hour-markers and Royal Oak hands with luminescent coating, black inner bezel.
Bracelet
Black ceramic bracelet with titanium AP folding clasp.
Calibre
Manufacture Calibre 5134
Total diameter
29.00 MM (12 ¾ lignes Lignes)
Frequency of balance wheel
2.75 Hz (19,800 vibrations/hour.)
Number of jewels
38
Calibre
Manufacture Calibre 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.
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