Omega Speedmaster series, particularly the models from the 1970s, are highly regarded among watch enthusiasts and collectors. The Omega Speedmaster series 2 manual watch from 1974 is likely part of the broader Speedmaster Professional line, often referred to as the “Moonwatch” due to its association with NASA and the Apollo moon missions.
Here are some key details about the Omega Speedmaster Professional from this era:
General Features:
Movement: The Speedmaster Professional typically features a manual-winding chronograph movement. During the 1970s, the movement used was the Omega Caliber 861, which is an evolution of the original Caliber 321.
Case: The case is stainless steel, with a diameter of 42mm.
Dial: The dial is black with luminous hands and hour markers. It has three sub-dials: one for continuous seconds, a 30-minute counter, and a 12-hour counter.
Crystal: The crystal is hesalite, a type of acrylic.
Bezel: The bezel is black with a tachymeter scale, used to measure speed based on time traveled over a fixed distance.
Specific to 1974:
- Case Back: Models from this period have a solid case back, sometimes engraved with the Omega logo and the Seahorse emblem.
- Bracelet: The bracelet is typically stainless steel, however this has a new leather strap.
