Omega, Speedmaster series, model: 3573.50.00, manual mechanical men's watch, 42MM diameter, equipped with the original Omega self-produced La Migna Cal.1863 manual chronograph movement, accurate and stable timekeeping, luminous as sharp as a lamp, pure black moon landing chronograph style dial with scale bezel design, sporty and stylish when worn, noble and luxurious, complete set of blank date cards!