Brand Omega Model (Watch) Speedmaster Professional Moonwatch Reference No. 145.022 Manual Winding Case Material Steel Strap Material Steel 1970s Condition Used (Excellent) The item shows signs of slight wear and tear, such as light scratches, but not perceptible to the touch. Original papers supplied, no box Manual winding Base calibre 861 Case material Steel Diameter 42 mm Bezel material Aluminium Glass plexiglass Strap material Steel