This one is a first for me. Movement dated L5, no date stamp on case back. Based on the 1955 ad, it's a Senator Deluxe. At present, there is one watch that was uploaded in 2016 in the database that appears to be mis-identified as a "Deluxe". This one reminds me of a Victorian picture frame and is in excellent running condition with light plating "tipping" on the lugs and missing crown plating cap..
Movement Serial No.
Case Serial No.