Gold Swiss chronometer watch in a full hunter case Circa 1890

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A Swiss chronometer in a heavy, large gold engine turned full hunter case, circa 1890. Keyless damascened nickel plated bar movement with going barrel. Plain cock with polished steel regulator. Heavy compensation balance with blue steel helical hairspring. Large screwed in jewelling in gold settings, blue tinged sapphire jewels for the barrel and winding work. Pivoted detent chronometer escapement, spiral blue steel return hairspring for the detent. Escape wheel and detent with end stones. Numbered white enamel dial with subsidiary seconds, Roman and Arabic numerals and decorative pierced gold hands. Substantial engine turned 18 Carat full hunter case, large vacant shield shaped cartouche on the front cover.
Signed gold cuvette and glazed cover to the movement.

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Diameter: 57 mm
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Signed: Droz Jeannot fils Brenets (Suisse) Breveté

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A fine example of a Swiss chronometer in excellent condition. The jewellery to the winding work is very unusual.