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Bulgari - Carillon Tourbillon

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The new Bulgari Carillon Tourbillon, Daniel Roth Collection, is a highly complicated timepiece featuring a three-hammer carillon, minute-repetition and a tourbillon.

Striking watches with carillon function are pretty rare. In fact, the term carillon can be applied only to striking mechanisms which play at least three notes.

To achieve this, the Bulgari Carillon Tourbillon uses three hammers and gongs. The special-shaped gongs are entirely hand-crafted to achieve a perfect and absolutely identical sound quality. They are bent and shaped by hand before being fired again and hardened at a temperature of around 900 degrees. They are then carefully cleaned and polished before a second firing in the furnace at a slightly slower temperature. These meticulous operations require great mastery to guarantee perfect resonance.

Two barrels store the energy needed to power the movement, the hand-wound Manufacture Calibre DR3300 comprising 327 parts arranged around the large tourbillon carriage. One barrel keeps the striking mechanism running and is automatically rewound when the latter is armed, while the other guarantees a minimum 75-hour power reserve.

The architecture of this 3Hz (21,600 vph) movement, the cut-out of the NAC-treated bridges and the positioning of the various parts are all designed to reveal the beauty of the mechanism.

While maintaining the distinctive characteristics of its original design, this new version of the Carillon Tourbillon features a slimmer pink gold case (48 mm).

The minute-repeater slide on the left-hand side of the case has been slightly reworked and repositioned to ensure an optimal grip.

The pink gold dial is suspended from the inner bezel ring and topped by a faceted sapphire crystal (very complex to machine and polish) which serves to enhance the resonance of the striking mechanism while also providing enhanced lateral visibility.

A pure Haute Horlogerie creation, the Bulgari Carillon Tourbillon combines an exceptional sound with a contemporary design in the respect of the Daniel Roth heritage.

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