The Omega Speedmaster Automatic Ref. 3510.50, commonly known as the "Reduced," features a smaller 38.5mm case diameter, making it a compact yet stylish chronograph. Its black dial with white hands and markers ensures excellent legibility, while the hesalite crystal adds a vintage touch. The watch is powered by the Omega Caliber 3220, based on the ETA 2890-A2 with a chronograph module, providing reliable performance. The Reduced model, produced from 1988 to 2009, is appreciated for its automatic movement and classic Speedmaster design, making it a versatile choice for any watch enthusiast