ARISTE JUILLERAT. AN 18CT YELLOW GOLD OPENFACE KEYLESS LEVER POCKET WATCH WITH CHRONOGRAPH AND DATE
Signed Ariste Juillerat, No. 1900, circa 1900
Nickel finished 22-jewel lever movement with bimetalic cut compensation balance and swan-neck micrometer adjustment to the regulator, enamel dial with Breguet numerals, subsidiary constant seconds, hour and minute recording dials, date dial, outer minute and fifth second tracks and cathedral hands, circular case with hinged bezel, back and gold cuvette, dial signed.