There are 3 Models with model number 340 in the database
Fawn style 1 alarm clock, ivory non-luminous. Small alarm dial, concave bezel.
Dates made: January 1957 - 1961
Fawn style 1 alarm clock, pink non-luminous. Small alarm dial, concave bezel.
Dates made: January 1957 - 1961
Westclox "Bentley" man's wristwatch, gold color case, raised Arabic numerals 3, 6, 9, 12 and markers, metal expansion band.
Dates made: 1965 - ?