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The Grande Seconde Tourbillon Skelet-One Only Watch 2021 unveiled by Jaquet Droz is undoubtedly one of the most exceptional pieces to be auctioned next November at the Monegasque event.

Already by nature, being unique pieces, all watches participating in the auction deserve the qualifier of exceptional, but few of them are absolute references since most of them are content to present some aesthetic detail to differentiate themselves from the regular production watch on which they are based. This Grande Seconde Tourbillon Skelet-One Only Watch 2021 donated by Jaquet Droz belongs to the select club of rare watches that can be considered a total novelty.

Jaquet Droz Grande Seconde Tourbillon Skelet One Only Watch 2021

Until now we already knew the Grande Seconde Skelet-One, of which Jaquet Droz has made several versions, the most recent of which you can see in this article. The Grande Seconde Tourbillon is also a well-known model from the Swiss manufacture’s catalogue. However, until now Jaquet Droz had not combined the tourbillon and skeleton complications in the same Grande Seconde. Therefore, there is no doubt that this is a novelty of the highest level.

It is important to note that Jaquet Droz has not taken the Grande Seconde Skelet-On and added a tourbillon to it, but has gone the other way around, skeletonizing the Grande Seconde Tourbillon. This fact is extremely important because the Grande Seconde Tourbillon, and consequently this skeletonized variant, is a rare case of a watch that does not meet the main condition of the collection to which it belongs. Put more bluntly; the Grande Seconde Tourbillon is not a Grande Seconde.

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<img src=”https://watch-test.com/wp-content/uploads/2021/07/Jaquet-Droz-Grande-Seconde-Tourbillon-Skelet-One-Only-Watch-2021-duo.jpg 1600w, https://watch-test.com/wp-content/uploads/2021/07/Jaquet-Droz-Grande-Seconde-Tourbillon-Skelet-One-Only-Watch-2021-duo-233×171.jpg 233w, https://watch-test.com/wp-content/uploads/2021/07/Jaquet-Droz-Grande-Seconde-Tourbillon-Skelet-One-Only-Watch-2021-duo-768×563.jpg 768w, https://watch-test.com/wp-content/uploads/2021/07/Jaquet-Droz-Grande-Seconde-Tourbillon-Skelet-One-Only-Watch-2021-duo-610×447.jpg 610w” alt=”Jaquet Droz Grande Seconde Tourbillon Skelet One Only Watch 2021 – duo” width=”1600″ height=”1172″ />

As the name says, Grande Seconde implies a large seconds hand, which is always located on the lower part of the dial, leaving the upper part to the small dial that indicates the hours and minutes. Well, when Jaquet Droz created the Grande Seconde Tourbillon, it radically disregarded this principle. The tourbillon was placed in the upper part of the dial and, for technical reasons, the seconds hand was placed in the centre of the dial. As a result, the dial that indicates the hours and minutes is moved to the lower part of the dial and its size is significantly increased.

Apart from the technical firsts that we have described, the aesthetic protagonism of the Grande Seconde Tourbillon Skelet-One Only Watch 2021 is found in its dial. It is not surprising since this is the element in which Jaquet Droz always displays its personality and the one it has created for this unique piece is a world apart. At this point we must point out another paradox of this watch since by resorting to enamel to decorate the dial, its skeleton concept practically disappears, at least visually.

The skeleton structure of the movement is completely new and resorts to straight lines to elaborate the bridges and supports where the different elements of the movement are fixed. It is in the areas delimiting these thin bridges that a thin plate of plique-à-jour enamel is applied in a variety of colours, all of them derived from or in harmony with Only Watch’s own orange colour. These plates, which form a very contemporary pattern, are extremely thin, so I deduce that they must provide a high degree of transparency, the minimum for the skeleton concept to be applicable.

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Jaquet Droz Grande Seconde Tourbillon Skelet One Only Watch 2021 - caseback

Jaquet Droz has chosen pink gold for the case of this Tourbillon Skelet-One, which measures 41 millimetres in diameter. Inside it houses the mechanism that provides this combination of complications for the first time. It is the Jaquet Droz calibre 2625SQ, a self-winding movement that oscillates at 21,600 vibrations per hour and offers an impressive rate of 21,600 vibrations per hour.The 7-day power reserve. Like all modern Jaquet Droz movements, the 2625SQ calibre uses silicon to manufacture the pallet lever horns and balance-spring.

A fantastic and paradoxical Grande Seconde Tourbillon Skelet-One Only Watch 2021, which is neither “Grande Seconde” nor “Skelet-One”. But that is the least of it in this exceptional timepiece that, in addition to its uniqueness, brings all the elements that make up the Jaquet Droz DNA. Christie’s expects this piece to fetch between CHF 160,000 and CHF 200,000 at auction.

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