trench watch
trench watch is a pocket watch or wristwatch.
Also recorded as wristlet.
Overview
Catalogue entries for watches state calibre, reference, case and bracelet, and accompanying papers. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
type of watch that came into use by the military during World War I, as pocket watches were not practical in combat; it was a transitional design between pocket watches and wrist watches, incorporating features of both
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Trench watch”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4462168: trench watch
Consult the source