Very rare Patent watch with mother-of-pearl dial.
Silver engine-turned case, the dome engraved 'Patent 363,' hallmarked London 1861, casemaker JJ (Joseph Jackson & Son, London). Fullplate fusee movement with rim cap. Single-roller detached lever escapement. Gold balance, spiral balance-spring. Mother-of-pearl dial with engine-turned chapter ring with painted roman numerals within oval reserves, blued-steel hands. 42.5 mm diameter.
Charles John Hill, Coventry, watch manufacturer. Patent No 1047, April 1861: 'Improvements in the dials of watch and clocks' in which he proposes using mother-of-pearl, "either plain surfaced, engine turned or engraved..."
Joseph Donisthorpe, Bedale, Yorkshire, retailer.
Wear showing to the outer edges of the light engine-turning on the case back and some wear to the painted numerals. Otherwise complete and in surprisingly good original condition - I have not seen another example. Presently not running, and priced accordingly, but nothing broken and I suspect a clean and fresh oil is all that will be needed.
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