- Movement
- Selfwinding (automatic)
- Size
- 41 mm
Overview
Black ceramic, 41 mm
The Audemars Piguet Royal Oak Perpetual Calendar Openworked, reference 26585CE.OO.1225CE.01, in black ceramic, 41 mm across, with a sapphire dial. Selfwinding Calibre 5135, giving a perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.
Audemars Piguet no longer makes this reference.
The Audemars Piguet Royal Oak Perpetual Calendar Openworked, reference 26585CE.OO.1225CE.01, is cased in black ceramic, 41 mm across and 9.9 mm high, with a glareproofed sapphire crystal and black ceramic caseback and a screw-locked crown. Water resistance is rated to 20 m. The dial is sapphire, with a smoked external zone of the counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, and a black inner bezel. The bracelet is black ceramic, on a titanium AP folding clasp.
The movement is Calibre 5135, a selfwinding calibre giving a perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes. It is 29 mm across and 4.5 mm high, built from 374 parts holding 38 jewels, and runs at 2.75 Hz (19,800 vph) with a power reserve of 40 hours.
Key details
Design and engineering
- CaseBlack ceramic, 41 mm across and 9.9 mm high, with a glareproofed sapphire crystal and black ceramic caseback and a screw-locked crown. Water resistance is rated to 20 m.
- DialSapphire, with a smoked external zone of the counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, and a black inner bezel.
- BraceletBlack ceramic, on a titanium AP folding clasp.
Calibre 5135
- Selfwinding
- Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes
- 29 mm across, 4.5 mm high; 374 parts, 38 jewels
- 2.75 Hz (19,800 vph)
- Power reserve 40 h
The reference
Technical specifications
| Reference | 26585CE.OO.1225CE.01 |
|---|---|
| Collection | Royal Oak |
| Calibre | Calibre 5135 |
| Movement | Selfwinding (automatic) |
| Functions | Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes. |
| Case dimensions | 41 mm |
| Case material | Black ceramic |
| Dial | Sapphire dial |
| Bracelet | Black ceramic, titanium AP folding clasp |
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