About: http://webisa.webdatacommons.org/428969290

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Apparently, during WWII there was a company called Roth Bros. which was actively converting older watches for use by the Navy as marine chronometers.
http://www.w3.org/ns/prov#wasQuotedFrom	nawcc.org