The Omega Seamaster Ref. 166.003 is a classic 1960s vintage timepiece characterized by its robust, angular case design and reliable automatic movement. First introduced in 1962, this reference is highly regarded by collectors for its timeless aesthetic and "workhorse" internal mechanics.

• Full Product Name: Omega Seamaster Automatic Date (Ref. 166.003)

• Case Size: 34mm to 34.5mm diameter (excluding crown).

• Movement: Features the 24-jewel Calibre 562 automatic movement, known for its durability and approximately 50-hour power reserve. Note that some variants within this reference may house the Calibre 565, which adds a quick-set date function.

• Dial: Your specific model features a black dial, which is often a point of interest for collectors. Experts at Vintage Portfolio note that some vintage black dials from this era may have been professionally restored or repainted to maintain their deep color.

• Case Material: Often found in stainless steel, but "two-tone" or gold-capped versions were also produced.

• Key Design Features:

  • Multi-faceted "straight" lugs.

  • Screw-down case back featuring the iconic embossed Seahorse (Hippocampus) logo.

  • Acrylic/Plexiglass crystal, often signed with the Omega logo at the center.