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Royal Oak
Perpetual Calendar Openworked

Ref. 26585CE.OO.1225CE.01
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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.

Standup image of the watch Perpetual Calendar Openworked

Specifications

Case

  • Material Black ceramic
  • Water Resistance 20 m
  • Size 41 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.

Standup image of the watch Perpetual Calendar Openworked

Calibre 5135

  • Functions Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.
  • Number of jewels 38
  • Mechanism Selfwinding
  • Power reserve 40 h
  • Total diameter {{ 29 | localUnitNumber('millimeter')}} mm
  • Number of parts 374
  • Frequency 2.75 hz {{ 19800 | localUnitNumber('vibration')}} vph
  • Thickness 4.5 mm
Back image of the calibre
Front image of the calibre

Warranty

Two year warranty

Your watch is guaranteed against manufacturing defects for a period of 2 years subject to our International Sales Warranty.

Five year warranty

Applicable to all AP watches purchased through our authorized network from 1st January 2017 subject to our International Sales Warranty.

Extend your Warranty

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