French 18K gold quarter repeating lever chronograph Circa 1890

Gold open faced repeating keyless lever with chronograph by B. Poitevin
–
A fine French 18-carat gold open faced quarter repeating chronograph keyless lever pocket watch, circa 1890. Rhodium-plated, 29 jewels, gold wheel train, counterpoised straight-line lever escapement, cut bimetallic compensation balance with peripheral temperature and meantime adjustment screws, blued steel Breguet balance spring with overcoil, index regulator, repeating on gongs activated by a slide on the band. Gold hinged cuvette, hinged glazed gold-rimmed cover to view the movement. White enamel dial with Roman numerals, outer minute track and Arabic five-minute numerals, outermost fifths of a second division, subsidiary seconds and original gold spade hands. The case back with an engraved foliate monogram. Cuvette signed.
–
Diameter: 52 mm
–
Signed: B. Poitevin