36. Ariste Juillerat. An 18K gold open face keyless wind calendar chronograph pocket watch Ariste Juillerat. Chronographe de poche à cadran ouvert en or jaune 18K (750) avec date remontoir au pendant Date: Circa 1900 Movement: Nickel full plate, Swiss lever, cut and compensated bi-metallic balance wheel Dial: White, black Arabic numerals, black outer minute track, black outer 1/5th second divisions, subsidiary dials at 3, 6, 9 and 12 for running seconds, 60 minute recording, 24 hour recording and date aperture, blued steel Breguet style hands, centre chronograph hand Case: Polished round, 18K gold cuvette, chronograph button to crown, No.1900 Signed: Dial Size: 51mm Weight: 114,66g