Dubois & Fils. A Fine 18k Gold Openface Pirouette Escapement Keywound Watch with Dead Center Seconds and Mock Pendulum Made for the Chinese Market with Later Case

Dubois & Fils. A Fine 18k Gold Openface Pirouette Escapement Keywound Watch with Dead Center Seconds and Mock Pendulum Made for the Chinese Market with Later Case
Signed Dubois & Fils, Early 19th Century
Full-plate pirouette escapment, chain fusée, oversized balance five arm balance, white enamel dial, small eccentric hour and minute dial at the 12 o'clock, dead center seconds, window at the 6 o'clock with mock pendulum, polished circular case, start and stop lever in the band, later inscription to the interior, dial and movement signed
56.5mm diam.