411 REFERENCE · Wikibooks
Budget Watch Collecting/Bulova Caravelle date codes
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Starting in 1949, Bulova used a simple date code for its watches. There will be a 2 character code. The first character will be a letter indicating the decade:
A=1940's
L=50’s
M=60's
N=70's
P=80's
T=90's
Earlier Bulovas used a cycle of symbols to indicate date.
References can be found here:
Bulova Watch Codes
Vintage and Antique Bulova Watches