There are 2 Models with model number 840 in the database
Big Ben electric alarm clock in Mahogany case. Non-luminous dial.
Dates made: August 1931 - April 30, 1935
Westport "Aden" mid-size wristwatch, 7 jewel, chrome case, full numeral dial, chrome plated expansion band, red second hand.
Catalog Dates: 1962 - 1964
