OMEGA SPEEDMASTER CIRCA 1965. Ref: 105003-65. Steel bracelet watch, signed black dial, stick indexes and white hands, very homogeneous patina. Seconds counter at 9 o'clock, chronograph hour and minute counters at 6 and 3 o'clock. External tachometric scale. Hand-wound mechanical movement Omega 321. Black leather strap, signed pin buckle. Works, unrevised. Diameter: 40 mm (with tachymeter scale). Length: 22cm.