John Arnold & Son, London, Invt. et Fecit, Movement No. 440/741, 51 mm, 135 g, circa 1792
An important pocket chronometer "of the second kind" - with YZ-balance Case: silver consular case, case maker's punch mark "JB WW" (Josiah Barnett & William Waters). Dial: enamel, radial Roman hours, auxiliary seconds, blued spade hands. Movm.: full plate movement, firegilt, numbered, signed, screwed chatons, chain/fusee, moulded pillars, Arnold's spring detent escapement, YZ balance with 3 cylindrical weights on threaded rods and 3 screws, freesprung gold balance spring with terminal curve, very finely engraved and pierced balance cock, chatoned diamond endstone on balance.
Sterling silver consular case, HM London, 1848. Casemakers Josiah Barnett & William Waters. Pendant maker James Overan. The case with two gold hinges and the dial were probably produced specially for this movement in 1848; the original case was most likely replaced because it was damaged or with the intention to "modernize" the piece.
Estimate 12,500 - 15,000 €
This is a lot of a former auction!
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