There are 6 Models with model number S4D in the database
Black (gunmetal) style 5a Big Ben Chime Alarm Electric clock with nickel trim. Luminous dial.
Dates made: January 3, 1939 - July 1941
Black (gunmetal) style 5a Big Ben Chime Alarm Electric clock with nickel trim. Non-luminous dial.
Dates made: January 3, 1939 - July 1941
Big Ben Style 5a Loud Alarm in black (gunmetal) case, luminous dial.
Dates made: July 15, 1939 - November 1946
Big Ben Style 5a Loud Alarm in black (gunmetal) case, non-luminous dial.
Dates made: July 15, 1939 - November 1946
Ivory style 5a Big Ben Chime Alarm Electric clock with brass trim. Luminous dial.
Dates made: 1940 - July 1941
Ivory style 5a Big Ben Chime Alarm Electric clock with brass trim. Non-luminous dial.
Dates made: 1940 - July 1941
