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CITIZEN Watch, rectangular face, Movement 3630 and s/n 6105072


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I have here one of my late father's watches, a Rectangular faced watch measuring 3/4" wide x 1" tall.  It is made with bracelet and a clasp but it does not look like a deployant or deployment clasp.  To get the watch case back off I had to open the bracelet and I can't remember the sequence to get it back together.  I got it running but the band probably needs dissassembly from the watch and an ultrasonci cleaning.

Would someone know the name of this style of clasp?  I've no had much luck with google.

Thanks in advance, I thin that since joining this forum a few months ago I have now sucessfully changed the batteries in 11 watches and only a couple to go, before every watch in our house is working again.  The next thing I want to learn (after learning about this bracelet / clasp LOL) is how to clean a watch properly.  

You guys are very resourceful.






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That clasp is held to the bracelet by friction. In the centre of the clasp you can see a part with a rectangular hole in it, this levers up to allow the bracelet to be fitted through the clasp. Once in place and sized to the wrist this part should be firmly closed which will hold the clasp to the bracelet.



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