Thomas Engel. A fine 18K gold open face lever chronometer with power reserve, thermometer and weekly calendar
Chronometre – Type Concours Observatoire, No. 25, 1980's
Nickel finished movement jeweled through the center, monometallic balance with overcoiled spring, wound and set with the pendant, glazed dust cover, engine turned silver dial with polished roman chapter ring enclosing day of week dial at 3 o'clock, centigrade thermometer sector at 10 o'clock, subsidiary seconds at 6 o'clock, gold Breguet hands, blued subsidiary hands, substantial gold engine turned screw back case, accompanied by maker's fitted box with spare mainspring and set of blued handscase, dial and movement signed. 56mm
Nickel finished movement jeweled through the center, monometallic balance with overcoiled spring, wound and set with the pendant, glazed dust cover, engine turned silver dial with polished roman chapter ring enclosing day of week dial at 3 o'clock, centigrade thermometer sector at 10 o'clock, subsidiary seconds at 6 o'clock, gold Breguet hands, blued subsidiary hands, substantial gold engine turned screw back case, accompanied by maker's fitted box with spare mainspring and set of blued handscase, dial and movement signed. 56mm
Estimate:
US$ 14,000 - 18,000
£9,200 - 12,000
€11,000 - 14,000
£9,200 - 12,000
€11,000 - 14,000
Category: Clocks and Watches / Watches
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Jonathan Snellenburg
Bonhams
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