From Pierre DeRoche -
Here are the pertinents -
|Courtesy of Pierre DeRoche|
MOVEMENT Mechanical automatic, exclusive Dubois Dépraz calibre, 58 jewels. Decorated and engraved oscillating weight. Central bridge, 6 chamfered and satin-finished seconds bridges. Minute wheel with Pierre DeRoche logo. Hands affixed by a transversal pin. 6 gear-driven retrograde seconds hands with strip-spring return. The black zones of the skull-shaped central bridge are formed using the “light trapping” method, which consists in laser-engraving a motif by creating an engraving background featuring an irregular topography that prevents light from penetrating its surface.
FUNCTIONS Hours, minutes, retrograde seconds in six 10-second sections. Moving retrograde hand indicator. Date.
CASE Titanium middle with black PVD treatment, 47.5 mm. Bezel set with 240 brilliant-cut diamonds totalling approx. 1.10 cts (128 measuring 0.8 in diameter and 112 measuring 1.1 in diameter), lugs, crown-guard and screw-lock crown in steel. Sapphire crystal with anti-reflective coating on both sides. Sapphire back. Water-resistant to 100 metres (10 bar/330 ft).
BRACELET Alligator leather with safety folding clasp.
LIMITED EDITION of 5 watches