LE ROY & SON, LONDON [Le Roy & Son，倫敦] | A FINE AND VERY RARE GOLD OPEN-FACED KEYLESS LEVER WATCH WITH BAROMETER AND THERMOMETER CIRCA 1890, NO. 15422 [極罕有黃金懷錶備氣壓計及溫度計，年份約1890，編號15422]

LE ROY & SON, LONDON

[Le Roy & Son，倫敦]

A FINE AND VERY RARE GOLD OPEN-FACED KEYLESS LEVER WATCH WITH BAROMETER AND THERMOMETER

CIRCA 1890, NO. 15422

[極罕有黃金懷錶備氣壓計及溫度計，年份約1890，編號15422]

• Movement: damascened nickel, lever escapement, jewelled to the centre, bi-metallic compensation balance, wolf's tooth winding, barometric work set to movement edge and connected to the indication hand via a rack and lever, under-dial with bi-metallic thermometer work

• Dial: white enamel, Roman numerals, sector beneath 12 o'clock for temperature with graduated scales for Réaumur, Centigrade and Fahrenheit, inner revolving bezel calibrated with barometric scale, central barometric hand, sunken subsidiary seconds, blued steel spade hands, signed Le Roy & Son, London

• Case: gold, polished covers, milled borders, glazed cuvette, case back numbered 15422

diameter 56mm

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