Details
A pocket chronometer watch movement, Collier, London, 506, circa 1810,
white enamel dial with Roman numerals and subsidiary seconds, gold hands, signed and numbered gilt fusee movement with Arnold type escapement, spring footed detent, bimetallic "Z" balance with bimetallic heat compensation weights, blued steel helical balance spring, diamond endstone, diameter of dial 50mm.
white enamel dial with Roman numerals and subsidiary seconds, gold hands, signed and numbered gilt fusee movement with Arnold type escapement, spring footed detent, bimetallic "Z" balance with bimetallic heat compensation weights, blued steel helical balance spring, diamond endstone, diameter of dial 50mm.