There are 3 Models with model number 300 in the database
Leg model with ring on top. The name of the dealer is printed on the dial.
Dates made: July 1912 - ?
Leg model with ring on top. Various lettering on the dial and various patent dates (later, numbers) on the back.
Dates made: July 1912 - 1930
Westport "Fraser" man's wristwatch, 7 jewel, chrome case, full numeral dial, chrome plated expansion band, second hand.
Dates made: 1965 - ?