Omega brand Model (Watch) Speedmaster Professional Moonwatch Reference number 3570.50.00 Manual Charge Case Material Steel Strap material Steel Condition Excellent (second-hand, no or barely visible signs of wear) Kit original documents, no box Calibre Case Material Steel Diameter 42 mm Waterproof 5 ATM Bezel Material Steel Glass Plexiglas Black dial Numerals on dial Without numerals Strap Strap material Steel Strap colour Steel Folding clasp Clasp material Steel Functions Chronograph