JOHN WALKER, LONDON | A GOLD HALF-HUNTING CASED MINUTE REPEATING KEYLESS POCKET CHRONOMETER WITH CALENDAR, RETROGRADE DATE AND START/STOP SECONDS 1866 NO. 10600

JOHN WALKER, LONDON

A GOLD HALF-HUNTING CASED MINUTE REPEATING KEYLESS POCKET CHRONOMETER WITH CALENDAR, RETROGRADE DATE AND START/STOP SECONDS

1866 NO. 10600

gilded 3/4 plate, detent escapement, free-sprung bi-metallic compensation balance, blued steel helical spring, diamond endstone, signed and numbered John Walker, 230 Regent Street, London, No. 10600, white enamel dial, Roman numerals, outer minute ring, subsidiary dials for stop/start seconds, day and month, sector for retrograde date, blued steel hands, 18ct gold case, engine-turned covers, the front with glazed aperture surrounded by blue enamel Roman numerals, hallmarked for London 1866, case maker's mark F.B in an oval cartouche for Frank Bennett

diameter 55.5mm