Omega Speedmaster Moonwatch

The story

Omega Speedmaster Professional – Ref. 3590.50 (circa 1998) The Omega Speedmaster Professional ref. 3590.50 is a classic Moonwatch from the late 1990s, featuring a 42 mm stainless‑steel case, black step dial, and hesalite crystal. This reference is powered by the revered manual‑wind Caliber 861, known for its robustness and historical importance. Tritium‑lumed hands and hour markers reflect its period‑correct vintage character. As a direct descendant of the NASA‑qualified Speedmaster worn on the Moon, the 3590.50 remains highly coveted by collectors for its authenticity, heritage, and timeless design.