I managed to buy a few boxes of Timex watch crystals, they once belonged to someone who worked for Timex for all his life and sadly is not with us anymore. They came from Aberdeen and the gentleman worked for the Dundee Timex factory in the sixties. They have different sizes and shapes and it seems they were actually samples for quality control. I cannot take out the writing on the "TIMEX inspection report"s as it is faded away but the smaller sized "Final Inspection: is dated as 1978 and I can read/take out the same year on the TIMEX inspection reports too as far as I can see it. I found it