AN EMPIRE MAHOGANY TWO-DAY MARINE CHRONOMETER louis berthoud, no. 93. circa 1810 The white enamel regulator dial with finely sculpted blued steel hands and signed in the center Louis Berthoud horger. de la Marine, No. 93 , the gilt full-plate movement with repeat signature engraved on the side of the top plate, conical pillars secured with nuts and polished steel washers, chain fusee with maintaining power, Berhoud's pivoted detent escapement with cut three-arm bi-metallic compensated balance with four brass weights and timing screws, free-sprung blued helical balance spring, the backplate engraved with a similar signature, the three-piece case with key compartment in the bottom section 88mm. dial diam.
AN EMPIRE MAHOGANY TWO-DAY MARINE CHRONOMETER louis berthoud, no. 93. circa 1810 The white enamel regulator dial with finely sculpted blued steel hands and signed in the center Louis Berthoud horger. de la Marine, No. 93 , the gilt full-plate movement with repeat signature engraved on the side of the top plate, conical pillars secured with nuts and polished steel washers, chain fusee with maintaining power, Berhoud's pivoted detent escapement with cut three-arm bi-metallic compensated balance with four brass weights and timing screws, free-sprung blued helical balance spring, the backplate engraved with a similar signature, the three-piece case with key compartment in the bottom section 88mm. dial diam.
.jpg "Source: Christie's")
.jpg "Source: Christie's")
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
