This is the new Maurice de Mauriac Skeleton Chronograph. It features a top grade 25 jewel Concepto openworked movement with perlage, Geneva stripes, skeleton rotor and a black PVD finish. According to Daniel Dreifuss, founder of Maurice de Mauriac, the openworked collection is available in three sizes (39 mm, 42 mm, 45 mm); it is available in your choice of steel, titanium, gold, PVD steel, DLC titanium cases. The bezel, pushpieces and strap are also customizable. Each piece is hand assembled in the brand's Zurich atelier, and adjusted to chronometer specifications of +/- 5 seconds per day.

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This is the Vangarde Tempo Théorie, a new limited edition timepiece with a Swiss made 7750 based skeleton movement.

Perhaps the coolest elements of this timepiece, aside from the openworked movement, are the hands. Machined from solid alloy in aluminum, magnesium and silicon (and featuring Superluminova inserts), the hands are skeletonized and uniquely shaped. They are off-center mounted, resulting in a very distinct way of telling the time (you have to watch the video to fully understand).

"The hour and minute hands are opposed, overlap, intersect, are juxtaposed, while the counter hands complete this design even more complex kinetic whole. All these combinations are an architectural structure similar to a polymorphic array in motion, moved by the mechanical energy of a spring. The visual is confusing and encourages curiosity, while remaining perfectly legible."

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Audemars Piguet introduced a skeletonized Royal Oak at SIHH 2010, a timepiece that has been in high demand among collectors. For SIHH 2012, to celebrate the 40th anniversary of the iconic Royal Oak, the world's first high-end steel sports wristwatch, they've created a limited edition, ultra-thin version of the Royal Oak Skeleton.

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Harry Winston has announced a new skeletonized timepiece, the Ocean Sport Chronograph.

The Ocean Sport Chronograph features a 44 mm satin finished Zalium case. Zalium is an ultra-light alloy made of aluminum and zirconium; it has a lustrous gunmetal finish and is known for its hypo-allergenic and anti-corrosive properties. The unidirectional rotating bezel is also made of Zalium, with DLC-coated indexes.

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The Piaget Altiplano was already the thinnest automatic watch in the world at 5.34 mm in height, powered by the thinnest movement in the world at 2.4 mm in height. And now, Piaget holds the title for the thinnest skeleton watch and movement in the world, with the introduction of the new Altiplano Skeleton.

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Omega unveiled a beautiful new open worked timepiece at Baselworld 2011 last month, the Hour Vision Skeleton Platinum. It features Omega Calibre 8403, a 39 jewel self-winding movement, that winds in both directions (most self-winding movements only generate power in one direction). Omega's special free-sprung balance is used in this caliber, and runs at 25,200 vph (3.5Hz). The movement features Omega's exclusive Co-Axial Escapement technology (with 3 levels and extended service periods). The movement features a NIVACHOC shock absorption system, and has 2 barrels mounted in series. The power reserve is 60 hours.

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At SIHH 2011 there were quite a few ultra-thin watches introduced, only one skeletonized ultra-thin, though, the Richard Mille Extra Flat Automatic RM 033. Available in titanium (shown above), 18K white gold or red gold, each case is 45.70 mm in diameter, and only 6.3 mm thick.

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(Click image for gallery - 2 photos)

For SIHH 2011, Cartier introduced a new skeletonized version of their iconic Santos timepiece - the Santos Dumont Black Titanium. Measuring 39 mm x 47 mm, the rectangular case is made of titanium and is coated in Cartier's version of Diamond Like Carbon (ADLC). The crown is made of ADLC coated titanium as well, and features a faceted black synthetic gemstone. The dial displays hours and minutes, and is skeletonized in the form of Roman numerals. The movement is a manually wound Cartier calibre 9612 MC, and has a 72-hour power reserve. A black alligator strap with an ADLC-coated white gold deployant buckle is included.

Ref W2020052

Press Release PDF

Retail $41,500

Source: Cartier