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Greubel Forsey  - Diamond Set Tourbillon 24 Secondes Contemporain

Greubel Forsey Diamond Set Tourbillon 24 Secondes Contemporain

To celebrate its 10th anniversary, Greubel Forsey adorns the Tourbillon 24 Secondes Contemporain with diamonds, transforming it into a watchmaking jewel.

Bienfacture means “supreme craftsmanship”, but you won’t find it in a French dictionary. It is a Swiss word that evokes the long winters in the watchmaking valleys that encouraged extreme attention to detail. The resulting Swiss obsession with a surfeit of quality became known as bienfacture. Bienfacture is above all the art of supreme finishing that transforms rough parts into brilliant jewellery. And if jewellery itself remains on the outskirts of fine watchmaking, the cutting of gemstones is a closely related art.  

This gem-set timepiece launched Greubel Forsey on a new quest for bienfacture, working in partnership with monarchs of the world of precious gemstones to adorn the architecture of the watch with baguette cut diamonds of the finest quality (clarity IF, colour D-E). 

Diamond Set Tourbillon 24 Secondes Contemporain

About one and a half billion years ago and more than 150 kilometres beneath the Earth’s surface, pieces of carbon were subjected to pressures of 150 million atmospheres at temperatures of more than 1,000°C and were reborn as diamonds — crystals of pure carbon of which only 0.001% achieve the grade of IF/D-E after cutting and polishing. 

Watchmaking sets much higher standards for precision than jewellery for the cut of gemstones. The diamonds set in our timepieces have to be calibrated to within a micron and adjusted like the mechanisms of a timepiece. 

The 43.5mm by 16mm in white gold case is also set with baguette diamonds around the bezel and in the lugs. The stones thus become part of the structure of the case and emphasize its sculptural lines. The timepiece is set with 272 diamonds totalling 9.71 carats. 


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Greubel Forsey carries out fully independent production of fine watches in its workshops in La Chaux-de-Fonds. These watches are highly technical, innovative and timeless, and feature a particularly meticulous finish that is one of Greubel Forsey’s defining characteristics.

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