Certina Serial Number Check
Jun 27, 2014 - There was an overlap of the old serial numbers and the new ones sold in 1958 but I don't know how long after 1958 they sold old stock. 
Certina Case, Movement and Serial Numbers. If you take a look at the back side of your vintage Certina, you'll see (at least if it is from the 1950s to the mid-seventies, and the case back has not been polished) two numbers on the case back. These are the reference number and the serial number.
Dilwale dulhania le jayenge hd mp4 movie free download. If you take a look at the back side of your vintage Certina, you'll see (at least if it is from the 1950s to the mid-seventies, and the case back has not been polished) two numbers on the case back. These are the reference number and the serial number. There were three different systems of numbering, depending on the era.
Serial Number Check Specs
Prior to 1958, a reference number, for example, looks like this: 8600-2. But the composition of the reference number was similar to the following system which was used from about 1958 to 1974.
Ipad Serial Number Check
Then, the system was changed again. It's not clear if the serial numbering was changed in the fifties. It also could be that it continued until the changeover in 1974. Furthermore, it seems that special watches, such as chronometers and gold watches, may have had a separate six-digit numbering. A reference number from the period 1958 to 1974 has two parts and seven digits. The serial number also has seven digits. The reference number of this period is made up as follows: The first two digits indicate the movement that was used.