Lucien Dubois, Locle, 45 mm, 79 g, circa 1850. A gentleman’s elegant and thin pocket watch with jumping and stoppable centre seconds 18k gold case, florally engraved cartouche with monogram, engineturned, reeded band, à goutte, engraved and numbered gold dome, slide to stop the centre seconds at “6”. Enamel dial, radial Roman numerals, blued Breguet hands.Bridge movement, keywind, frosted, gilt, signed, 2 barrels, cylinder escapement, three-arm steel balance.