C. Antoine Sacré, Bruxelles, 62 mm, 312 g, dated 1829

A rare movement of a deck chronometer
Case: gold, engine-turned, engine-turned band, signed gold dome. Dial: enamel, radial Roman hours, auxiliary seconds, blued Breguet hands. Movm.: full plate movement, frosted, gilt, screwed chatons, spring detent escapement with adjusting devices, bimetallic chronometer balance with 2 screws and 2 weights, freesprung, blued, helical balance spring, chatoned diamond endstone on balance.

C. Antoine Sacré
C. Antoine Sacré, or Antoine Sacré, worked as a watchmaker in Belgium around 1825. Circa 1806 he was living in Aalst (Alost), which is approximately 25 km west of Brussels. It is assumed that Sacré later worked in Brussels.
Source: http://watch-wiki.de/index.php?title=Sacr%C3%A9,_C._Antoine, as of 03/22/2011