What kind of bracelet you have on the 120?
The UG Compax arrived yesterday
It would appear that this could be a reference 2318, for the Portuguese market (if it's a 35mm model).
My partial collection is in the Bulova Accutron 214 category.
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The First Pic is all Bulova Accutrons circa 1960 or 1961 in 14kt or 18kt Solid Gold and the outer two are Stainless with 14kt Chevrons.
These 3 Spaceview "B" Yellow Dots are all first year 1962