13. An 18K gold keyless wind open face chronograph pocket watch Chronographe de poche à cadran ouvert en or jaune 18K (750) remontoir au pendant Date: Circa 1890 Movement: Nickel full plate, Swiss lever, cut and compensated bi-metallic balance wheel, column wheel chronograph Dial: White, black Roman numeral hour markers, black outer minute track and 1/5th second divisions with Arabic 5 minute markers, subsidiary dial at 6 for seconds, gilt spade hands, blued steel centre chronograph hand Case: Polished round, 18K gold cuvette, chronograph button to pendant at 12, No.6736/16402 Size: 51mm Weight: 102,75gr