Would be better if you show a pic from the movement and the writings on the caseback, if it is a quartz can be a 1342 from the early 80's, but theres is no way to know if you cant see the movement
Would be better if you show a pic from the movement and the writings on the caseback, if it is a quartz can be a 1342 from the early 80's, but theres is no way to know if you cant see the movement
Yes, you will need a switchblade to open, just a little pressure should open easily, if you are insecure about, take it to a watchmaker or someone who have experience