Omega Speedmaster Moonwatch 145022

Reference: 145.022-71

Serial: 32xxxxxxx

Year: 1971

Case: Stainless steel, scewback, unpolished medallion

Dial:  Black, luminous (stepped dial)

Dimensions: 42 mm excluding crown

Function: Manual wind Chronograph

Caliber: 861

Strap: 1175 with 633 endlinks, signed Omega clasp