3012. Le Roy & Fils. An 18K gold keyless wind open face chronograph pocket watch Date: Circa 1880 Movement: Swiss lever, cut and compensated bi-metallic balance, wolf's tooth winding Dial: White, black Roman numerals, black outer 1/5th second divisions with Arabic numeral 5 minute markers, subsidiary seconds at 6, gilt spade hands, centre chronograph hand Case: Engine turned round, monogram to back, chronograph button to crown, chronograph locking slide to band at 1, No.50046 Signed: Cuvette Size: 51mm Weight: 115,07g