| An early 19th Century English deck chronometer in a silver open face case and mahogany box. Full plate gilt keywind fusee movement. Harrison's maintaining power. Engraved cock with diamond endstone. Chronometer type compensation balance with wedge shaped weights, freesprung
blue steel helical hairspring. Earnshaw type spring detent chronometer escapement Signed and numbered white enamel dial with subsidiary seconds, Roman numerals, blue steel hands. Substantial silver open face case with faded engine turning reeded bezels and middle. Maker's mark "JJ" in an oval. Three tier mahogany deck box, the watch resting on a blue velvet pad. Brass furniture and functioning lock.
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