When I was a Navy helicopter pilot in the 80's and 90's...it seemed [from what I remember] that most of my peers wore Casio G-Shocks and Seiko divers. Of the Seiko divers, most wore quartz...very few of us wore automatics. Today, at Delta, most of my peers wear any style of quartz Casio, Citizen or Seiko...I have encountered a few that wear Rolex Subs and/or GMT Masters as well as one that wears a vintage Glycine Airman automatic...and one that wore a vintage Seiko brown bullhead automatic [because he knew he was flying with me]. For the record, I am the only one [that I know of] that sometimes wears vintage railroad grade pocket watches at the office [see below].
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Hamilton Railway Special 992B [circa 1950]...
Illinois Bunn Special Sixty Hour [circa 1927]...
Hamilton 992 [circa 1930]...
Elgin B.W. Raymond 571 [circa 1953]...
BONUS PIC: Mad Dog [hatched 1964]...