The movement is Roger Dubuis’s Caliber RD620, developed and produced in-house, which has an automatic winding system via a micro-rotor. Visible through the sapphire caseback, it contains 184 parts, including 35 jewels; beats at a frequency of 28,800 vph; and offers a power reserve of 52 hours. It has rhodium-plated parts and côtes de Genève decoration. Like all watches produced by Roger Dubuis, the Excalibur Automatic meets all the requirements to earn the prestigious “Poinçon de Genève” or “Geneva Seal,” a hallmark of quality issued by the Canton of Geneva to a select number of watch manufacturers. Roger Dubuis is the only watch company that makes all of its movements in accordance with this criteria.This watch’s movement is also certified as a chronometer by the Swiss testing agency COSC.
Both rose-gold models are $25,800; the watch with a white dial comes on a black alligator leather strap with a rose-gold folding clasp; the one with a gray dial has a brown alligator leather strap. The stainless-steel version ($14,300) has a black strap and steel folding buckle.