48. American Watch Co. A fine 18K gold open face keyless wind chronograph pocket watch American Watch Co. Beau chronographe de poche à cadran ouvert en or jaune 18K (750) remontoir au pendant Date: Circa 1900 Movement: Gilt full plate, Swiss lever, cut and compensated bi-metallic balance wheel, No.1059757 Dial: White, black Arabic numerals, black outer minute track, subsidiary dial at 6 for running seconds, blued steel spade hands, chronograph dial to back with exhibition glass Case: Polished round, stripped band, chronograph button to band at 1 Signed: Dial, cuvette, movement Size: 52mm Weight: 138,71g