OMEGA, Speedmaster, chronograph, "CB Case" Case size: 42 mm Material: steel Movement: manual, caliber 321 Year: circa 1966 Crystal: plastic crystal Bracelet: original bracelet, folding clasp, ref. 1171/633 Reference number: ST 105.012 Serial number: 24959639 Case number: 105.012-66 (C.B) Replaced dial and hands, later bracelet. Please keep in mind that an overhaul might be needed, since no service history is available.
