| A mid 19th Century marine chronometer mounted in a purpose made brass mantle clock. Full plate two day keywind fusee movement, four turned pillars secured by blue steel screws. Harrison's maintaining power. Blue steel barrel ratchet wheel, spring and click on the barrel bridge. Plain cock with diamond
endstone, two arm compensation balance with two wedge shaped weights, four timing screws, freesprung blue steel helical hairspring. Earnshaw spring detent escapement, escape pivots with endstones. The movement secured to the gilt dial plate by blue steel screws. Engraved signed and numbered silvered brass dial with subsidiary for seconds, Roman numerals, blue steel seconds hand, gold hands. Purpose made brass mantle case, the hinged bezel with lock. Rotating
brass shutter at the rear for the winding square.
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