Gold Keyless Fusee by Kullberg

A late 19^th Century English keyless reverse fusee freesprung lever with power reserve by Victor Kullberg in a gold half hunter case. Gilt half plate keyless movement with fusee and chain. Harrison's maintaining power. Plain cock with diamond endstone.  Compensation balance with quarter timing nuts, freesprung blue steel overcoil hairspring. English double roller lever escapement. Screwed in jewelling, including the fusee, the escape wheel and lever under a bridge, their pivots with endstones.  White enamel dial with subsidiaries for power reserve and seconds, Roman numerals, blue steel half hunter hands. Substantial plain 18 carat half hunter case with blue enamel chapter ring, two flysprings to the front cover. Winding and set apertures to the plain gold cuvette. Maker's mark "PW" in an oval and number corresponding to that on the movement.