Model : Speedmaster
Description : Professional
Casing : no. 31313xx Speedmaster, steel, acrylic glass, screwed case
Diameter : 42.0 mm
Movement : caliber Omega 861, chronograph, manual wind
Watch Face : black, original Tritium.dial and hands
Watch Band : steel bracelet
Condition : box and paper, nice original condition, very nice original condition
Year : 1972