French watch with two time zones and centre seconds Circa 1860

Gold interesting pocket watch 
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A French gold technically interesting open faced early observation pocket watch with second-time zone and stoppable, independent jumping centre seconds “Seconde Morte”, circa 1860. Bridge movement, key wind, two barrels, club-tooth lever escapement with crozier-shaped lever, screw cut bimetallic compensation balance.
Engine-turned 18 carat gold case with ribbed middle, gold cuvette signed Seconde Independante Retour heure Cadrant Observation.
Beautifully preserved white enamel dial, display of two-time zones with Roman chapter rings indicating the local time and Parisian time and stoppable, independent jumping centre seconds “Seconde Morte”. Dial signed.
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Diameter: 47 mm
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Weight: 73 g
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Signed: Vt. Reinhart Limoges
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This pocket watch is a high-quality timepiece with remarkable complications such as the second time zone and the dead centre seconds.
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Reference 0020000