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Pierre DeRoche GrandCliff TNT Royal Retro

July 16, 2009

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Pierre DeRoche has produced the first watch movement with six retrograde seconds mechanisms. Instead of cams, all the retrograde hands are driven by gears. Thanks to a strip-spring that has replaced the classical balance-spring system, each hand returns to their initial positions after the next retrograde hand begins moving.

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The movement is an exclusive automatic Dubois Dépraz calibre, with 58 rubies, decorated and engraved gold oscillating weight (22k), 12 pivot central bridge and 6 chamfered and satin-finished seconds bridges, moving retrograde hand indicators and a minute wheel with Pierre DeRoche logo.

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The watch features hours, minutes, date and retrograde seconds in six 10-second sectors. The 47.5 mm case features a mixture of black PVD titanium, steel and 18k rose gold. The strap is crocodile with a folding clasp. Two models are available, quantities are very limited.


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