General Brand OMEGA Model Speedmaster Professional Moonwatch Function Chronograph Crystal Hesalite Approximate Age 2000s Case Case Material Stainless Steel Caseback Solid Case Size 42.0mm Case Thickness 14.0mm Bezel Material Stainless Steel Dial Color Black Movement Caliber 1861 Movement Type Manual Water Resistance 30 meters Power Reserve 48 hours Bracelet Bracelet/Strap Material Stainless Steel Max Wrist Size 7.75in Lug Width 20mm