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Of course Cartier recently offered an 8 days Tortue in the discontinued CPCP collection, but there is no similar model in its current collection. Given the long history of this model, Cartier should revive this in its high watchmaking collection. The Cartier Santos Triple 100 was first launched in 2008 in a limited edition of 20 pieces, cased in palladium. It featured three dials – in white, diamond pave and a hand-engraved tiger – made possible by a patented louvre system operated by the crown. Three-faced louvres made of solid white gold with a triangular profile are rotated to show each of the dials. The simplicity of the concept belies its complexity. A year later Cartier unveiled a second jewelled Santos Triple 100 with an eagle on one of the dial faces, also in a limited edition of 20 pieces. Like the tiger of the year replica cartier roadster , the eagle is hand-engraved and requires about 50 hours of work.

That year Cartier also presented a Santos Triple 100 skeleton, informally known within Cartier as the “Double 100”, in a limited edition of 100 pieces. Unlike the Triple 100 that has three-faced louvres, the Double 100 uses slats with a rectangular profile, much like those of a window. Each face of the slats has one dial – white and black – hence the name Double 100. But the louvres can be also set such that the skeleton movement is visible, giving it three distinct looks. The calibre used is the in-house, twin barrel 9611 MC with Roman numerals incorporated into the bridges and base plate to striking effect. First seen in the Santos 100 Skeleton, the 9611 MC was designed from the ground up as a skeleton movement, rather than being a skeletonised version of existing calibre. Thus it is remarkably transparent and totally different in feel from traditional skeletons, which were the intentions of replica breitling navitimer , head of technical development at Cartier and creation of the movement.

Shutter or louvre mechanisms on watches are not new. Such wristwatches were first available in the 1920s, notably from Vacheron Constantin, and were designed to protect the crystal from damage during sports, much like the Cartier. And in the mid nineties VC created the Les Historiques Jalousie which was inspired by the originals of the twenties. replica breitling bentley 6. 75 currently offers the Reverso a Eclipse that features a roller shutter above an enamel dial. But the Cartier Santos Triple 100 is notable for several reasons.

Simple as the idea is, it took nearly three years to realise. The challenge was in creating a mechanism that would be easy to operate but remain firm when jolted. Carole Forestier and her team devised a solution of star-shaped wheels with tensioning springs to secure the louvres. Each star-shaped wheel is held in place by a tensioning spring; the springs are actually part of a single strip of steel that runs the length of the dial. It is fabricated from a Durnico, a steel alloy with “high spring property” according to the manufacturer. Each spring measures only 0. 6 mm wide – a human hair is about 0. 1 mm wide. Yet the levers provide just enough tension to keep the louvres in place while being flexible enough to allow rotation via the crown. The tensioning springs also give the Triple 100 the right feel – definite and reassuring, not mushy or stiff.