The Omega Speedmaster Professional Moonwatch reference 31032425001002 embodies pioneering horological excellence with its 42mm stainless steel case and iconic black step dial. This timepiece features the advanced OMEGA Co-Axial Master Chronometer Calibre 3861 hand-wound movement, certified for precision and magnetic resistance. The asymmetrical case design pays homage to the 4th generation Speedmaster worn during lunar missions, complete with sapphire crystal on both front and exhibition caseback. Presented on a sophisticated black leather strap, this 2023 model includes full original papers, manufacturer’s warranty, and presentation box. Its chronograph functions include small seconds, 30-minute recorder, and 12-hour recorder with central chronograph hand, maintaining the legendary performance that made history in space exploration.