3004. Omega. A fine 18K gold open face face keyless wind chronograph pocket watch Omega. Beau chronographe de poche à cadran ouvert en or jaune 18K (750) remontoir au pendant Date: Circa 1910 Movement: Swiss lever, cut and compensated bi-metallic balance bridge, No.4679695 Dial: Polychrome, black Arabic numeral hour markers, black outer 1/5th second divisions, subsidiary dials at 6 and 12 for running seconds and 15 minute recording, gilt spade hands, blued steel chronograph hand Case: Polished hinged round, engravings to back, 18K gold inner cuvette Signed: Case, dial & movement Size: 53,5mm Weight: 96,18g