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Royal Oak Selfwinding Perpetual Calendar Ultra-Thin

Ref. 26586IP.OO.1240IP.01
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The Royal Oak Selfwinding Perpetual Calendar Ultra-Thin, the world’s thinnest automatic perpetual calendar wristwatch, marks Audemars Piguet’s latest technological milestone with a movement of 2.89mm thick and a case of 6.3mm in height. Presented as a prototype at the SIHH in 2018 as RD#2, it now combines titanium and 950 platinum for an elegant look and a lighter feel on the wrist.



  • Material Titanium
  • Water Resistance 20 m
  • Size 41 mm
  • Thickness 6.3 mm


Blue dial, satin-brushed, blue counters, white gold applied hour-markers and Royal Oak hands with luminescent coating.


Satin-brushed titanium bracelet with polished 950 platinum links and titanium AP folding claps.

Manufacture Calibre 5133

  • Functions Perpetual calendar with day, date, astronomical moon, month, leap year, night and day indication, hours and minutes.
  • Number of jewels 37
  • Mechanism Selfwinding
  • Power reserve 40 h
  • Total diameter 32 mm
  • Number of parts 256
  • Frequency 2.75 hz 19800 vph


Two year warranty

Five year warranty

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