CHRONOMETER PRECISION WATCH FOR GENEVA OBSERVATORY TRIAL AND TEDDINGTON 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 8 December 1913 and the original National Physical laboratory in Teddington class Kew A certificate from 1 March 1914.

Brand: Golay Fils & Stahl, Geneve

Model: Chronometer

Year: Circa 1913

Movement No.: 32090

Calibre: 20’’’, rhodium plated, , 19 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.: 32090

Diameter: 54 mm

Signature: Dial, Case 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 Teddington