The case, in 18kt red gold, measures 43mm x 13.2mm. It has double sapphire crystals, and it is water resistant to 30 meters.
Movement is the Swiss automatic Jaquet Droz in-house caliber 2660QL3 with 30 jewels, 28,800 vph and a power reserve of 65 hours. It features a silicon balance spring and pallet horns, double barrel, flat bridges, and an 18kt red gold rotor. The moonphase complication requires correction only once every 122 years. Functions are: off-centered hours and minutes, large off-centered second. Pointer-type date display at 6 o'clock. Astronomical moonphase at 6 o'clock.
It has a double level black Grand Feu enamel dial with an 18kt red gold applied ring, a black onyx moon disc, star and moon appliques in 18kt red gold and 22kt gold respectively. Hours, minutes, and seconds hand in 18kt red gold. Date hand with red varnished tip
It comes on a rolled-edge hand-made black alligator leather strap with an 18kt red gold ardillon buckle.
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