Authentic Omega Speedmaster Moonwatch Co-Axial Chronograph in model number 31192443001001. Features a brushed and polished black ceramic case paired with a perforated black leather strap featuring yellow stitching secured by a tang clasp. The bezel incorporates a fixed tachymeter scale. The display includes blackened hands, index hour markers (minute and second around the outer rim), and three sub-dials on a black skeleton dial representing small seconds, 30 minutes, and 12 hours. Powered by Omega Caliber 1869 with manual winding capability and a 48-hour power reserve function for the chronograph complications. Water resistant to 50 meters / 165 feet. Includes scratch-resistant sapphire crystal lens and is presented in its original branded box.