Omega Speedmaster 3513.30.00 Mens watch. Stainless steel 39mm case. Stainless steel tachymeter bezel. Silver dial with steel luminous hands and markers. Date display and 3 chronograph registers. Stainless steel bracelet with a double push button fold over clasp. Will fit up to a 6.75-inch wrist. Water resistant. Automatic movement. Sapphire crystal glass. This watch is backed by our two year warranty.