Hello, is there anyone that can tell me what ref number and cal this is? This is ca 1973, i've tried to find it with no luck, could it be 166.0202 with cal 1010 automatic?

 

The cal can be seen in the photo. If you had a better I could tell you what it says.

 

Cal. and serial is here:



Reference in the caseback

 

Unfortunately, I do not have a better pic.