This is an extremely rare find probably NOS condition. The adhesive paper is still on the back case!! A wonderful and modern (made around 1970!) Tissot Sideral automatic, with fiberglass case, silver dial, grey fiberglass case, from my personal collection. Tissot Signed crown, and Tissot signed strap. Watch is full original. The watch is perfect ! I can not find any flaws looking at it.Service History: Unknown. It runs good, winds good and keeps time. Dial: The dial is like new! Case size: 40mm without crown.
Caliber number: 784 probably... Excuse me but I don't have the tools to open the case.Case reference: No tools to open.Price: 250 Euros ( no Paypal fees), shipping around 20 to EU and USA.