How do I identify my Certina watch?
How do I identify my Certina watch? 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. How do you clean a Certina watch? Keeping your watch clean A soft toothbrush and mild soapy water can be used to clean stainless steel and titanium bracelets and all waterproof cases. The watch should then be carefully dried with a soft cloth. Is...