Please go to this link, which is pp. 102-3 of your source:
What the Tariff Means to American Industries - Google Books p.102
These very high jewel count movements were clearly "upjeweled". Basically, the movements were 17 jewel automatics from Switzerland and all the unnecessary extra were likely embedded in parts added after importation to the US.
Further discussion of upjeweling may be found here:
What the Tariff Means to American Industries - Google Books p.111
That book give an interesting economic view of the US watch market in 1954.
Hope this helps,