May 12, 2012, 12:39Lorne Wasylishen
Code of Fair Competition/Watch Case Manufacturing
This is a short booklet, 11 pages but the actual trade practices start on the 7th page(numbered 409) laying out guidelines for, among other things, the marking of watch cases, approved by FDR.Original Code 1933Amendment #1 1934Amendment #2 1935
January 25, 2013, 17:32Lorne Wasylishen
This should save some searching for the pertinent part. Reading it a few times is not a bad idea.
Again, this is from 1933 and I am not aware of any major changes since. (108)