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Important Modern & Vintage Timepieces

Geneva, May 15, 2016

LOT 133

JOHN ARNOLD DETENT SILVER John Arnold detent silver deck Chronometer Copenhagen Jn. Arnold, London, Invenit et Fecit, No. 35, circa 1800. Very fine and rare silver spring detent pocket chronometer.

Three-body, polished. White enamel, radial Roman numerals, outer minute track, subsidiary seconds. Blued steel "spade" hands. 42 mm. hinged, frosted gilt brass full plate, cylindrical pillars, spring detent escapement with detent set in a slot cut in the back plate, cut bimetallic compensation balance with outer temperature screws and inner mean time nuts, blued steel free-sprung helical balance spring with outer terminal curves, English cock with diamond endstone, the unlocking roller set above the impulse roller.

CHF 7,000 - 9,000

HKD 56,000 - 72,000 / USD 7,300 - 9,400

Grading System
Grade: AA

Very good

Case: 3-19



Movement: 3*


Overhaul recommended, at buyer's expense

Dial: 2-01

Very good

HANDS Original


Signed on movement. DIAM. 50 mm. THICKNESS 23 mm.