1966 Omega Speedmaster Professional Cal. 321 Chronograph on 1039 Bracelet Ref. 105.012-66 CB Case with Dot Over 90 Bezel
Lovely, all original condition vintage Omega Speedmaster from 1966 and also a very special piece.
Firstly, nearly all Cal. 321 Speedmaster cases that you see were made by Omega case-maker, Huguenin Freres & Co, le Locle, Switzerland and consequently signed “HF” in the case-back. Only in 1966 with the reference 105.012 did Omega use an additional case-maker, and signed “CB” in the case-back. These cases are beautiful in that they have an additional turn-down on the lugs giving a more elegant case shape. These cases are prized by collectors (the case is unpolished).
Secondly, this model is known to be Neil Armstrongs watch model (Case reference 105.012).
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