CHRONOMETER PRECISION WATCH FOR GENEVA OBSERVATORY TRIAL AND RICMOND OBSERVATORY TRIAL.
Very fine and extremely accurate, large, 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 7 June 1911 and the original National Physical laboratory in Richmond class Kew A certificate from 1 July 1911.
Brand: Golay Fils & Stahl, Geneve
Model: Chronometer
Year: Circa 1911
Movement No.: 30618
Calibre: 21’’’, gilt brass, 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, index regulator, wolf’s tooth winding
Case No.: 30618
Diameter: 58 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, large, 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 7 June 1911 and the original National Physical laboratory in Richmond class Kew A certificate from 1 July 1911.
Brand: Golay Fils & Stahl, Geneve
Model: Chronometer
Year: Circa 1911
Movement No.: 30618
Calibre: 21’’’, gilt brass, 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, index regulator, wolf’s tooth winding
Case No.: 30618
Diameter: 58 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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Estimate
Time, Location
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