CHRONOMETER PRECISION WATCH FOR GENEVA OBSERVATORY TRIAL AND RICMOND OBSERVATORY TRIAL.
Very fine and extremely accurate, nickel plated, keyless lever chronometer watch with blue sapphire jewels, Guillaume balance. With original 1 ST class ‘’bulletin de marche’’ from the Observatoire de Genève on 24 November 1909 June and the original National Physical laboratory in Richmond class Kew A certificate from 30 January 1910
Brand: Golay Fils & Stahl, Geneve
Model: Chronometer
Year: Circa 1909
Movement No.: 29379
Calibre: 20’’’, rhodium plated, 21 blue sapphire jewels, straight line lever escapement, Guillaume compensation balance with gold temperature and meantime adjustment screws, blued steel Breguet balance spring with terminal curve, swan-neck micrometer regulator, wolf’s tooth winding
Diameter: 52 mm
Signature: Dial and Movement
Accessories: Accompanied by the original Bulletin de Marche of the Geneva observatory and the Kew A certificate from the National Physical laboratory in Richmond
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Very fine and extremely accurate, nickel plated, keyless lever chronometer watch with blue sapphire jewels, Guillaume balance. With original 1 ST class ‘’bulletin de marche’’ from the Observatoire de Genève on 24 November 1909 June and the original National Physical laboratory in Richmond class Kew A certificate from 30 January 1910
Brand: Golay Fils & Stahl, Geneve
Model: Chronometer
Year: Circa 1909
Movement No.: 29379
Calibre: 20’’’, rhodium plated, 21 blue sapphire jewels, straight line lever escapement, Guillaume compensation balance with gold temperature and meantime adjustment screws, blued steel Breguet balance spring with terminal curve, swan-neck micrometer regulator, wolf’s tooth winding
Diameter: 52 mm
Signature: Dial and Movement
Accessories: Accompanied by the original Bulletin de Marche of the Geneva observatory and the Kew A certificate from the National Physical laboratory in Richmond
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