OMEGA, Speedmaster, chronograph, "CB Case".

Case size: 42 mm
Material: steel
Movement: manual, caliber 321
Year: circa 1967
Crystal: plastic crystal
Bracelet: original bracelet, folding clasp, ref. 1039-3.68/516
Reference number: ST 105.012
Serial number: 25.445.266
Case number: 105.012-66 (C.B)

Please keep in mind that an overhaul might be needed, since no service history is available.

Provenance

Sold by the first and only owner

More information

The CB cases differ in that there is a small line between the polishing planes on the lugs. All the case backs have a single step.

For condition report contact specialist