A feat of technical mastery, the Royal Oak Perpetual Calendar Openworked dresses the artistic openworked sapphire dial and the movement’s visible pink gold components in black ceramics.
Case
Black ceramic case, glareproofed sapphire crystal and black ceramic caseback, screw-locked crown.
Dial
Sapphire dial, smoked external zone of the counters, pink 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
Similar Watches
Royal Oak Perpetual Calendar Openworked
Specifications
Watch
Ref #26585CE.OO.1225CE.01
Case
Black ceramic case, glareproofed sapphire crystal and black ceramic caseback, screw-locked crown.
Case Size
41 mm
Water Resistance
20 m
Case Thickness
9.9 mm
Dial
Sapphire dial, smoked external zone of the counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, black inner bezel.
Bracelet
Black ceramic bracelet with titanium AP folding clasp.
Calibre
Selfwinding Manufacture calibre 5135
Total diameter
29 mm (12 ¾ Lignes)
Frequency of balance wheel
2.75 Hz (19,800 vibrations/hour)
Number of jewels
38
Calibre
Selfwinding Manufacture calibre 5135
Power reserve
40 hours
Number of parts
374
Functions
Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minute.
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