Tradition “Grande Complication” wristwatch in platinum, with fusee tourbillon. Balance spring in silicon. Hand-wound movement with power reserve displayed on the barrel drum. Off-centred silvered gold dial, hand-engraved on a rose engine. Sapphire caseback. The fusee-and-chain transmission connected to the barrel maintains a constant force for as long as the watch is running. A number of patent applications cover the large tourbillon resonator at one o’clock on the watch face, one for a titanium balance and three relating to Breguet silicon balance springs featuring the famed “Breguet overcoil” terminal curve. Producing a curve in a sliver of silicon to give it a third dimension represents a quite considerable watchmaking exploit. A further patent was awarded for the power-reserve indicator fitted directly on the barrel. Photo: Geneva’s catalogue Les Collections Breguet. Article 7047PT/11/9ZU.
Posted on: Tue, 18 Mar 2014 12:27:08 +0000
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