Following the presentation of the initial 950 platinum RD#2 model at SIHH 2018, Audemars Piguet is finally launching the final version of the Royal Oak Selfwinding Perpetual Calendar Ultra-Thin ref. 26586IP.OO.1240IP.01 so establishing a record as the world’s thinnest automatic perpetual calendar wristwatch.
To achieve a case absolute thickness of simply 6.3 mm and the height of 2.9 mm for the development, the perpetual calendar functions, typically masterminded on three levels have been converged into one single layer. This prompted the advancement of two protected innovations: the month’s end cam has been integrated to the date wheel, while the month cam has been combined to the month wheel. The calculation of every component has likewise been optimized in request to decrease change and get together time.
Comprising 256 sections, the automatic Caliber 5133 beats at a recurrence of 2.75 Hz (19,800 vibrations each hour) with an independence of 40 hours.
Compared to previous Royal Oak Perpetual Calendar models the dial has been redesigned to include bigger day, date and month subdials. The night and day indication at 8 o’clock visually balance the leap year indication positioned at 4 o’clock.
The traditional “Grande Tapisserie” design is supplanted by a blue satin finishing in request to improve the legibility. White gold applied hour-markers and Royal Oak hands with luminescent coating completes the general look.
The 41 mm case is created from satin-brushed titanium with a polished 950 platinum bezel and links to combine class and lightness. Because of a titanium screw-bolted crown, the watch is water-resistant to a pressing factor o 2 bar (around 20 meters/66 feet)
The price of the Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Ultra-Thin is communicated on solicitation. audemarspiguet.com