View full screen - View 1 of Lot 125. Royal Oak Perpetual Calendar, Ref. 25636PT.OO.0344PT.01  Platinum skeletonized perpetual calendar wristwatch with moon phases and bracelet   Circa 1996 | 愛彼 | 25636PT.OO.0344PT.01型號「Royal Oak Perpetual Calendar」鉑金鏤空萬年曆鍊帶腕錶備月相顯示,年份約1996.
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Audemars Piguet

Royal Oak Perpetual Calendar, Ref. 25636PT.OO.0344PT.01 Platinum skeletonized perpetual calendar wristwatch with moon phases and bracelet Circa 1996 | 愛彼 | 25636PT.OO.0344PT.01型號「Royal Oak Perpetual Calendar」鉑金鏤空萬年曆鍊帶腕錶備月相顯示,年份約1996

Audemars Piguet

Audemars Piguet

Royal Oak Perpetual Calendar, Ref. 25636PT.OO.0344PT.01 Platinum skeletonized perpetual calendar wristwatch with moon phases and bracelet Circa 1996 | 愛彼 | 25636PT.OO.0344PT.01型號「Royal Oak Perpetual Calendar」鉑金鏤空萬年曆鍊帶腕錶備月相顯示,年份約1996

Royal Oak Perpetual Calendar, Ref. 25636PT.OO.0344PT.01 Platinum skeletonized perpetual calendar wristwatch with moon phases and bracelet Circa 1996 | 愛彼 | 25636PT.OO.0344PT.01型號「Royal Oak Perpetual Calendar」鉑金鏤空萬年曆鍊帶腕錶備月相顯示,年份約1996

Audemars Piguet


Royal Oak Perpetual Calendar, Ref. 25636PT.OO.0344PT.01

Platinum skeletonized perpetual calendar wristwatch with moon phases and bracelet 

Circa 1996


愛彼

25636PT.OO.0344PT.01型號「Royal Oak Perpetual Calendar」鉑金鏤空萬年曆鍊帶腕錶備月相顯示,年份約1996


Dial: skeletonized 

Calibre: cal. 2120/4 automatic, 38 jewels 

Movement number: 405’510 

Case: platinum, back secured by 8 screws 

Case number: D63’115, 079 

Closure: platinum Audemars Piguet bracelet and folding clasp 

Dimensions: 39 mm, bracelet circumference approx. 165 mm 

Signed: case, dial and movement 

Box: no 

Papers: yes

Accessories: Audemars Piguet Extract from the Archive, Digital Extract from the Archives, certificate of origin, instruction manual and travel case 

MVT: is running at the time of cataloguing.

CASE: in good and attractive condition. There is some wear visible with the naked eye, such as fine dings and scratches, as well as fine signs of polishing. The bracelet is in good condition with some wear and light warping.

DIAL: in very good condition. There are minute surface marks. There are some very fine surface marks.


"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. All dimensions in catalogue descriptions are approximate. Condition reports may not specify mechanical replacements or imperfections to the movement, case, dial, pendulum, separate base(s) or dome. Watches in water-resistant cases have been opened to examine movements but no warranties are made that the watches are currently water-resistant. Please note that we do not guarantee the authenticity of any individual component parts, such as wheels, hands, crowns, crystals, screws, bracelets and leather bands, since subsequent repairs and restoration work may have resulted in the replacement of original parts. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue. In particular, please note it is the purchaser's responsibility to comply with any applicable import and export matters, particularly in relation to lots incorporating materials from endangered species.NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."


**Please be advised that bands made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) are not sold with the watches and are for display purposes only. We reserve the right to remove these bands prior to shipping."

This present lot could be considered as the pinnacle of the Royal Oak complicated collection. It gathers all the characteristics one could possibly desire.

When it comes to the celebrated Le Brassus based Manufacture, two thoughts immediately spring to mind: Royal Oak and perpetual calendar.


The Royal Oak has changed with image of the brand as well as the watch panorama forever by creating a new category that has become the most desirable one of all: the luxury sport watches.

The Perpetual calendar is part of the very DNA of Audemars Piguet even before its creation, being the complication was chosen by Jules Louis Audemars himself for his school watch (also equipped with quarter repeating and dead beat second mechanisms) that he completed before 1875 and kept improving for the following 20 years.


There is no surprise that AP decided to equip their spearhead model with this complication. The Royal Oak was first introduced with a perpetual calendar under the reference 5554 (later renamed 25554) in 1983 and made available the following year.

The Royal Oak Perpetual calendar has been produced in many different versions, under various references.

The Reference 25636PT is a collector’s dream, The iteration that features the favourite and the most sought-after characteristics. Faithful to the original Jumbo model, it has a 39mm diameter case. It is crafted in the noblest metal: platinum. The perpetual calendar is the most coveted complication for the Royal Oak. It also has a breathtaking skeletonized dial. Furthermore, this model cleverly has the subsidiary dials and outer track in attractive blue, creating a both useful and pleasing to the eye contrast with the movement, allowing the wearer to ready the time and the calendar in an easy and enjoyable way.

The 25636 was produced in very small quantity, only 264 examples, in all metal combinations. Only 34 of them were made in platinum, such as the present example, making it not only a superb and most attractive piece but also an extremely rare one.


Coming from a most eminent collection, the appearance on the market of such an important, rare and beautiful watch is an important event for the international horological market.