OMEGA, Speedmaster, chronograph

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: 24.532.253
Case number: 105.012-65 (HF)

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