Pierre DeRoche GrandCliff TNT Royal Retro
July 16, 2009
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.
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.
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.