Omega Speedmaster 3590.50

Omega Speedmaster 3590.50 Apollo XI 20th Anniversary Serviced Tritium Patina

This is a rare Omega Speedmaster Professional Reference 3590.50, specifically the Apollo XI 20th Anniversary unnumbered series (circa 1989-1990). This "neo-vintage" icon features the legendary Calibre 861 manual-wind movement and an original tritium dial that has aged to a beautiful, creamy patina. Mechanical Condition: Fresh March 2026 Service This watch has just returned from a full mechanical overhaul by an Omega-certified master watchmaker as of March 2026. Performance: Performance is at peak levels. Timegrapher results show a healthy 317° amplitude and a near-perfect daily rate of +4 seconds/day. Warranty: Sale includes a 1-year service warranty through the watchmaker. Functions: Chronograph starts, stops, and resets to zero with crisp mechanical precision. Physical Condition: Unpolished & Original Case: Proudly unpolished. The lyre lugs remain sharp with distinct, original facets. It shows honest signs of wear (minor marks/flea bites) consistent with its age, preserving its collector value. Bezel: Original tachymetre bezel with minor damage visible between 10 and 11 o'clock (see macro photos). Dial: "T Swiss Made T" tritium dial with even patina across all markers. Bracelet: Currently mounted on an Uncle Seiko US1450 President-style bracelet, offering the sought-after look of the rare 1450/808 bracelet with modern solid-link durability.