There are 2 Models with model number 58M in the database
Siesta alarm clock, black non-luminous. Rectangular metal case first with ball feet in front, then with flat feet starting ...
Dates made: July 17, 1933 - November 1936
Siesta alarm clock, ivory non-luminous. Rectangular metal case flat front feet.
Dates made: November 1936 - February 1939
