Maybe you wore a Casio in high school and remembered it fondly. You had moved on to a more 'upscale' watch but the Casio was always there, just waiting for a new battery or band to be ready for service again....
by Ron Mansfield (eBy ID childhoodradio) Which transistor radios are collectible?Collectors have their own favorite time periods specialties, but generally, collectible transistor radios were made between 1954...
Bulova used a very simple method of marking dates on their watches. A=1940 L=1950 M=1960 N=1970 For example..if your watch is marked L1, it was made in 1951.M3 would be 1963. N0 would be 1970 and so on.