L. LEROY & Co. Collar watch mounted on a 750-thousandths yellow gold bracelet, white enamel dial with applied Roman numerals and railway-track minute track (enamel shows signs of wear), seconds sub-dial at 6 o'clock, monogrammed back, engraved case back, leather strap (replaced and worn). Hand-wound mechanical movement. 19th century. Dial and dust cover signed. Case back and dust cover no. 8581. Diameter: 31 mm Gross weight: 28 g