Steel on steel
Reference: 2218.50.00
  Caliber: Omega 3313
Self-winding chronograph movement with column wheel mechanism and Co-Axial Escapement for greater precision stability and durability of the movement. Free sprung balance, with date, hour, minute and continuous small seconds hands, central chronograph hand.
Power Reserve: 52 hours
  Domed scratch-resistant sapphire crystal
  Stainless steel case
Black dial
  Down to: 600 meters
2000 feet
  Gents
Case Diameter: 45.5 mm