Omega, Speedmaster, chronograph, ca 1967. Case size: 42 mm Material: steel Movement: manual, caliber 321 Year: circa 1967 Crystal: plastic crystal Bracelet: leather strap Reference number: ST 105.012 Serial number: 24'532'489 Case number: 105.012-65 (H.F) Wear due to age and use. The movement is running at the time of cataloguing, Bukowskis does not guarantee the future working of the movement.