After over two and a half years of development by the manufacture, DeBethune is finally ready to unveil its newest masterpiece, the DeBethune Tourbillon. Introduced as the lightest in the world, this tourbillion is produced in silicon and titanium. The "Tourbillon De Bethune" timepiece is available in two variations. The first which incorporates a silicon and platinum thermo-compensated balance and the second which incorporates the patented De Bethune titanium and platinum balance.

The tourbillion beats a frequency of 36,000 alternations per hour and was developed specifically for a wristwatch. Many other tourbillons have the smaller tourbillons which are used in pocket watches. The tourbillon weighs in at only 0.18 grams, a weight that is 4 times lighter than a traditional tourbillon. The lightest part weighs less than 0.0001 gram, achieved by using nanotechnology and high speed 5-axis machining to shape the tiny parts of the tourbillon. The cage of the tourbillon is produced in silicon and titanium and incorporating a U and S-shaped frame. The escape wheel, the pallet cock and the centre of the balance have been produced in silicon.

The watch is powered by a hand-wound mechanical movement, Calibre DB 2009 is comprised 298 parts that have all been decorated by hand. The movement allows for a 120-hour power reserve. The watch features a 42.8 mm platinum case with pivoting lugs. The excellent case design allows for a 30-meter water-resistance. The titanium dial has a micro-light effect that was created using high-precision milling and sanded and blued in an oven at a temperature reaching 750 degrees Celsius. The tourbillon watch is completed by a alligator strap which has been fitted with an ardillon buckle.

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