March 18, 2005, 12:07
Wayne C. AndersonWhat is this tool used for?
On display at the CRMI
March 18, 2005, 21:25
Michael KosinenkoI'm pretty sure that it's a wristwatch case back opener/closer.
Mike
March 19, 2005, 21:19
Michael KosinenkoIt's a Williams Universal spanner wrench for opening and closing case backs. The patent number is 2418999. You can look up the patent at the
uspto.gov website