Found a No 12 bracelet in my "shoebox" marked 3-74 with no. 47 endlinks.
There is no four number reference.
Not to be lazy but if there is an online reference you guys use please provide link
Any help appreciated.

 

1175

http://forums.watchuseek.com/f20/ne...-speedmaster-1967-105-012-a-94353.html#/enter

 

Many thanks,
Score!
Holding onto this one.

 

1175.. my favorite "vintage" bracelet, better than 1171 and with a 1039 look.
Mine are from 1971 (stamped 1175), 1977 and 1983 (unmarked)