There are 2 Models with model number GM1 in the database
Good Morning alarm clock in Standard Alarm case (like America style 1 but has alarm dial on back of case). Nickel plated ...
Dates made: 1912 - ?
Good Morning alarm clock in America Style 1 (or 1a or 1b) alarm case. Nickel plated steel case.
Dates made: ca. 1920 - ?