Complete set 2025, Omega, Speedmaster series, model: 331.90.42.51.04.001 Rare Speedmaster Legacy 57 titanium metal bracelet, the entire watch is made of brushed titanium metal, which is lightweight and wear-resistant. It has a 41.5mm white dial, blue scale hands, luminous indication, dual sub-dial chronograph function, date display, fixed tachometer bezel, and is equipped with a self-produced 9300 coaxial automatic movement with a transparent back. It is certified by the Swiss Observatory and comes with a titanium metal strap!