Watch with spring detent escapement by John Arnold and Son

Made:
1788 in London
Pocket chronometer watch by John Arnold & Son, London Pocket chronometer watch by John Arnold & Son, London

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Pocket chronometer watch by John Arnold & Son, London
Science Museum Group / The Clockmakers' Museum
© The Board of Trustees of the Science Museumum

Pocket chronometer watch by John Arnold & Son, London
Science Museum Group / The Clockmakers' Museum
© The Board of Trustees of the Science Museumum

Pocket chronometer watch by John Arnold & Son, London, hallmarked for 1788 – 1789. Gold case with casemakers mark 'TH' and stamped 292. White enamel dial with subsidiary seconds dial and gold hands, dial signed '292'. Movement with spring detent escapement , OZ balance and gold helical balance spring of 4 turns. Signed ‘John Arnold & Son, London, N 292/593, Invt. et Fect’. Clockmakers' Museum No. 424

Details

Category:
Clockmakers
Collection:
The Worshipful Company of Clockmakers
Object Number:
L2015-3337
Materials:
gold (metal), brass (copper, zinc alloy), steel (metal), enamel, glass and diamond
Measurements:
overall: 66 mm x 52.5 mm x 25 mm,
type:
watch and detent
credit:
Lent by the Worshipful Company of Clockmakers