Swiss watch with two time zones and centre seconds Circa 1850

Gold pocket watch 
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A Swiss 18 carat gold hunting cased dual time two train independent seconds lever pocket watch, circa 1850. Gilt bridge calibre lever movement jewelled to the third wheel of each of the independently key wound and set trains, right angle escapement with comma shape counterpoise, uncut bimetallic balance with numerous gold poising and timing screws, Breguet’s parachute suspension and compensation curb, independent seconds engaged by means of slide adjacent pendant, engraved gold cuvette.
White enamel dial with seconds track enclosing a pair of Roman chapter rings, blued hands and subsidiary continuous seconds within an engine-turned gold case engraved with a floral cartouche.
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Diameter: 50 mm
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Signed: Huguenin Vuillemin Le Locle
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An important step in the evolution of the precision watch, the so-called “captain’s watch” was the ancestor of the chronograph. The present watch employs the Breguet bridge calibre movement and adopts its parachute shock-resistant suspension and temperature compensation. This new style of movement was able to both accommodate the complexity and increase precision.