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Selfwinding Perpetual Calendar Ultra-Thin


About the watch

  • Reference: 26586IP.OO.1240IP.01
  • Brand: Audemars Piguet (AP)
  • Model: Royal Oak
  • Condition: New & Unworn


Selfwinding Perpetual Calendar Ultra-Thin

The Royal Oak Selfwinding Perpetual Calendar Ultra-Thin is the thinnest automatic perpetual calendar timepiece ever made by Audemars Piguet. It comes with a movement that is 2.89mm thick and a casing that is 6.3mm tall. It was first presented as a prototype at the SIHH in 2018 as RD#2, and it has since been combined with titanium and 950 platinum for an elegant design and a reduced weight on the wrist.

About the watch

Brand: Audemars Piguet (AP)

Model: Royal Oak

Condition: New & Unworn

Case: It has a sophisticated design and a notably lighter feel on the wrist thanks to the combination of titanium and 950 platinum. A polished 950 platinum bezel, a case constructed of satin-brushed titanium, a sapphire caseback, and a titanium screw-locked crown.

  • Size: 41 mm
  • Thickness: 6.2 mm
  • Water resistance: 20 m

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

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

Selfwinding Perpetual Calendar Ultra-Thin’s Calibre

  • Calibre: 5133
  • Function: 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 19,800vph


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