This vintage Seiko 5 belonged to my grandfather, and I wouldn't be surprised to find out that he bought it on a trip to Japan:
The problem I'm having is that the crown has come unscrewed from the stem. I would like to open it and take the stem out, screw the crown and stem back together, replace the stem, and close it back up. Trouble is, I'm not sure how.
Here's the back:
I have a crystal lifter and know how to use it. The trouble seems to come from the metal ring around the crystal in that I can't remove it.
Any suggestions or instructions on opening this watch would be appreciated. My grandfather would be proud that someone's still wearing and using it.
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