Fine English eight day power reserve deck chronometer Circa 1820

Deck chronometer in mahogany box
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An eight day marine deck chronometer made by Parkinson & Frodsham in London, England, circa 1820. The glazed open faced case was crafted from brass and mounted in a numbered three part mahogany box with a gimbal suspension. The silvered dial is numbered, has Roman hour numerals, an outer minute track, Arabic five minutes, a power reserve indicator at 12 o’clock, a subsidiary seconds dial at 6 and gold spade hands. The very fine and early eight day movement has a chronometer escapement, helical hairspring, diamond end stone and a chronometer balance with two trapezoidal weights and four weight screws.
Dial and movement signed.
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Dimensions: 185 x 185 x 185 mm
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Signed: Parkinson & Frodsham 4 Change Alley London