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	Price: 1890 €

Collection: Tourbillon Authentique

Tourbillon Authentique avec “Réserve de Marche”
The precision, elegance and prestige of a genuine jewel in watch making.
The Tourbillon movement is the pinnacle of the watchmaker’s art and expertise. And because of this, very few watch manufacturers have the skills and experience to produce it, constructed as it is, of over 100 individual pieces.

The Tourbillon movement is a real labour of love. It can only be made by hand, by a skilled craftsman putting it together, piece by piece. Of course, it takes a long time to make a single movement, and so the quantity made is small and the number in the possession of serious watch connoisseurs around the world few. With the scarcity value so high and the imbalance between supply and demand so great, watches with genuine Tourbillon movements change hands for many thousands of pounds. Naturally therefore, only the seriously wealthy could contemplate owning one of these mechanical jewels. Until today.

In recent years, WM of Switzerland has focussed on developing our very own Tourbillon watch. The movement has to be of the highest quality, but the watch must be faithful to our famous philosophy – all our watches are offered at the best possible, affordable prices. The result of all this research and development is aTourbillon movement called the Calibre 107, powering the magnificent WM Le Tourbillon Authentique.
Characteristics

Genuine Tourbillon Movement wristwatch Calibre WM107 - 18 jewel
Date indicator.
Power reserve indicator "Réserve de Marche".
Sapphire crystal glass.
Water-proof to 5 ATM (40 metres).
2-year international guarantee.

	The secrets of the watch

	“Réserve de Marche” Despite their beauty and fascination, nearly all automatic watches have one problem – because their power comes from how often and how much you move your wrist, you never know how much energy is stored in the mechanism, so you’re never quite sure if your watch needs a quick wind to top up the power. The WM Le Tourbillon Authentique actually has a “Power Reserve Dial” or "Réserve de Marche" that constantly displays the energy level, or running time, remaining in your watch. With a full load, the WM Le Tourbillon Authentique will run without interruption for 50 hours. Adjusted to Isochronism This means that the Tourbillon movement is designed to maintain its excellent levels of precision, independent of the load or tension on the mainspring. In other words, the time keeping of the watch is unaffected by the amount of power in the system. Calibre WM107 This indicates the disposition and dimensions of the different parts of the movement. Generally, each calibre is designated by the name of the manufacturer (be it initials, abbreviations or complete name), followed by one or several numbers. The numbers can correspond to different criteria, for example the number of movement designs by the same manufacturer. 1013-107 This is the serial number of this particular movement, made by the manufacturer. In this case, the serial number is the 1013, the calibre is 107 and the limitation on quantity produced is 50 units. 18 jewels Traditionally in the making of high quality automatic watches, the ‘jewels’ referred to, are rubies. The hard, pure rubies act like ball bearings in an engine, minimising friction where different parts touch and move, ensuring high precision time keeping. Sapphire Crystal Sapphire is a very hard, transparent material. In the Mohs Scale (indicating the hardness of minerals, from the 1 to the 10), sapphire has a classification of 9, only surpassed by the diamond (10). Sapphire crystal, due to its extraordinary resistance to scratching and marking of any kind, is used in the manufacture of the most exclusive watches.
	Elegant and Exclusive Presentation

	The WM Le Tourbillon Authentique with "Réserve de Marche" is presented and displayed in a luxurious leather case, made entirely by hand. Should you so wish, the case can be used to store jewellery or other precious items.