Omega launched the standard Speedmaster Reduced Ref. 3510.50.00 in 1988 to provide an automatic-winding, scaled-down alternative to the 42mm manual-wind models. They reduced the asymmetrical stainless steel case to a 39mm diameter while maintaining the standard twisted lugs and crown guards. The matte black dial features three recessed sub-registers, with the running seconds indicator positioned at three o'clock due to the underlying Dubois-Dépraz base architecture.
Founded in 1848 by Louis Brandt in La Chaux-de-Fonds, Switzerland, the company that would become Omega established its identity with the 1894 introduction of the 19-ligne 'Omega' calibre. This movement was a landmark in industrial watchmaking, utilizing interchangeable components to streamline production and repair—a philosophy of accessible precision that continues to define the brand.
Omega cemented its reputation for robust accuracy through its role as the Official Timekeeper for the Olympic Games since 1932 and, most famously, through the Speedmaster Professional's flight qualification by NASA, which culminated in its journey to the Moon.
In the modern era, the brand's most significant contribution has been the industrialization of the co-axial escapement, an invention by Dr. George Daniels that fundamentally reduces friction within the calibre for superior long-term chronometric stability. Typified by purpose-driven design, Omega's collections—from the abyssal-depth Seamaster to the iconic Speedmaster—are archetypes of the professional tool watch, balancing legible aesthetics with advanced material science and anti-magnetic properties through its Master Chronometer certification.
Overall Grade: 8 / 10 | Great Condition, Visible Wear Production: Undated Contents: Full-set Genre: Sports Chronograph
Size: 39mm Thickness: approx. 12mm Lug Width: approx. 18mm
Case: Stainless steel, brushed sides, mirrored facets, visible wear Bezel: Stainless steel, black tachymeter aluminum insert, visible wear Dial: Matte black dial, printed markers, 12-6-9 sub-dial layout Hands: White pencil hands, lumed
Crown: Stainless steel push/pull crown and pushers, visible wear Crystal: Domed hesalite crystal, visible wear Bracelet: Stainless steel bracelet, visible wear Caseback: Solid stainless steel snap-on caseback, visible wear Movement: Automatic Chronograph Caliber: 3220