Dating a 70s strat
Most specifications for the Fender guitars are hardly changed.
Although there have been periods in which major changes occurred as the acquisition of Fender by CBS, and the transition from CBS Fender to the current owner (Fender Musical Instruments Corporation), most models are in general not changed.
(Stratocaster) Between 19 there were periods that this is not consistently done.
Although a serial number is helpful for roughly determining the age of a guitar, this is often not the exact date.
Usually, the production date is stamped or written is on the heel of the neck.
The changeover to the new owners can not deduce the serial numbers, because they continued the numbering at the same way.
The table below shows the Fender serial numbers as they were used from 1950 to 1964.
The serial numbers in principle chronological, but as already mentioned, as a result of Fender's production, there are a several serial numbers that overlap.
The guitars from 1990 have the serial number on the front of the headstock. If you have doubts about an odd serial number check the chart below, maybe you can find the number composition here.
Fender moved the serial number to the back in 1996. If you can not find a serial number (unreadable, worn of), you can approximate the age of a semi/electric guitar on the basis of the potentiometers.