Authentic Omega Speedmaster Moonwatch with Co-Axial Master Chronometer movement in model number 311.92.44.51.01.005. Features a black ceramic case and a black coated nylon fabric strap equipped with deployment clasp. Includes fixed bezel marked tachymeter, luminous black hour and minute hands, index markers, and outer minute ring on its black dial; powered by an automatic - chronometer caliber 9300 movement offering 60 hours power reserve visible at the 9 o'clock position. Displays date via a sub-dial positioned at the 6 o'clock mark alongside central chronograph second hand (up to 60 seconds), minute, and hour hands; the chronograph also features an outer 12-hour counter dial. Comes with scratch-resistant sapphire crystal glass, screw-down crown for water resistance up to 50 meters / 165 feet, a transparent case back, and is presented in its iconic Dark Side of the Moon theme. Includes a 5-year WatchMaxx warranty.