Austrian brass chronometer with power reserve Circa 1845

Brass marine chronometer with power reserve
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A fine and rare Austrian, two day going marine chronometer with power reserve in a mahogany box, circa 1845. Brass bowl with a glazed bezel secured by two screws, gimbaled in a two body mahogany box with a glazed round window in the top under sliding lid, brass handles, corner plate for a key with original fluted handle brass key, key lock in front, gimbal ring locked by single arm protruding through the ring and boss on the bowl.

Silvered dial, radial Roman hour numerals, outer minute ring, Arabic seconds on subsidiary dial at XII o’clock, up and down indicator at VI o’clock. Blued steel Breguet hands. Brass full plate movement with turned pillars, secured by screws, fusee and chain, Earnshaw spring detent escapement, cut bimetallic compensation balance with two round weighs and four screws, blued steel free sprung helical balance spring with outer terminal curves.
Signed on the dial, numbered on dial and box.
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Diameter: 80 mm
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Box: 150 x 150 mm
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Signed: Winnerl  Austria