John Newton, London, Movement No. 604, 54 mm, 151 g, circa 1816
An English pocket chronometer with spring detent escapement according to Thomas Earnshaw Case: 18k gold, case maker's punch mark "WM". Dial: enamel, off-white. Movm.: full plate movement, keywind, chain/fusee, bimetallic chronometer balance with 4 screws.
Estimate 2,500 - 3,800 €
This is a lot of a former auction!
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