Omega Speedmaster*** 145.022-68 Transition*** 1969
OMEGA Speedmaster 145.022-68 Transitional, 1969
Serial: 26559325
Circa: 1969
Reference No.: 145.022-68
CASE: 42mm, stainless steel, steel with black DO90 tachymeter bezel
DIAL: Black matte dial with applied logo and trititum indexes
MOVEMENT: Calibre 861, hand-wound chronograph, 17 jewels
BRACELET: Nylon NATO Strap
CONDITION REPORT: All original and excellent condition. The dial lume has aged and darkened slighlty.
Notes:
In 1968, Omega launched its Calibre 861 to replace the 321. The 861 was more precise, with its higher frequency, while more efficient to manufacture as it has a shuttle cam. Column wheel movements, like the 321, are expensive to produce and require very fine adjustment to function properly, so for mass-produced inexpensive movements a simpler solution is required. For example, the 861 contains a shuttle cam (or navette).
The transitional models of 1968 with the new reference 145.022 instead of 145.012, kept the same dials as the 1967 professional models. They had the Omega metal applied logo.
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