English 18K pocket chronometer with power reserve Circa 1870

Very fine pocket chronometer
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A very fine pocket chronometer with power reserve display and a high quality gold key with stone inlay on a gold chain, made by Brillman & Co. in London, England, circa 1870. The numbered plain open faced case of this watch was crafted from 18 carat gold and has a reeded band. The numbered original very fine quality champlevé dial has Roman hour numerals, a subsidiary seconds dial at 6 o’clock, a power reserve indicator at 12 o’clock and Breguet steel hands. The numbered very fine quality movement has an Earnshaw spring chronometer escapement with a cylindrical hairspring and a diamond end stone.

Dial and movement have matching numbers and are signed.
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Diameter: 52 mm
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Weight: 126 g
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Signed: Brillman & C^O Chronometer, London
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Brillman

Brillman, later Brillman & Co, 76 Leadenhall St, London, watch and chronometer makers, with strong associations to the Spanish market, about whom little has been published.