jabs Posted December 2, 2015 - 12:21pm In reply to Lisa has a 1934 version of by 1955mercury Thanks merc I look over there Edit: Lisa´s watch is here, she says that G- S X488 crystal is listed in G-S Catalog 1937 as being used by the Minerva and the Francine. I do not have this catalog available, I asked for help directly G-S. Reply