76. An 18K gold open face split second keyless wind chronograph pocket watch Chronographe de poche à cadran ouvert en or jaune 18K (750) avec fonction rattrapante remontoir au pendant Date: Circa 1880 Movement: Nickel full plate, Swiss lever, cut and compensated bi-metallic balance bridge, column wheel chronograph, 20 jewels and 4 adjustments Dial: White, black Roman numeral hour markers, black outer 1/5th second divisions with red Arabic 5 minute markers, subsidiary dials at 6 and 12 for running seconds and 30 minute recording, blued steel spade hands, centre chronograph hands Case: Hinged round, 18K gold cuvette, chronograph button to pendant at 12 and split second button to band at 1 Size: 48mm Weight: 78,65g