Omega Speedmaster Moon Watch Professional 3572.50.00. Manual winding chronograph Omega 1863 Caliber movement. Steel case, diameter 42mm. Water resistant to 50 meters. Power reserve 48 hours. Black dial with covered by a scratch-resistant sapphire crystal. Baton hour markers, small seconds sub-dial, 30-minute recorder and 12-hour recorder along with a central chronograph hand. Black tachymeter bezel. Steel bracelet with folding clasp. Box and papers. dated February 2003. Omega service papers dated October 2018.