Royal Oak Perpetual Calendar Openworked
Ref. 26585CE.OO.1225CE.01
243.39
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.
- Size41 mm
- Thickness9.9 mm
- Water Resistance20 m
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.
Case
- MaterialBlack ceramic
- Water Resistance20 m
- Size41 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 5135
- FunctionsPerpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.
- Number of jewels38
- MechanismSelfwinding
- Power reserve40 h
- Total diameter29 mm
- Number of parts374
- Frequency2.75 hz 19800 vph
- Thickness4.5 mm