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The chain of my wrist watch has torn apart again. I just got it repaired a few days back. Now I think I need a whole new one.

Any mistakes or room for improvement?
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'Wrist watch chain' is an odd concept-- do you mean '[url=http://www.watchbands.com /]watch band[/url]'?
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Yes, it is watch band. Thanks MM. What about the grammar? Is it okay?
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The grammar is OK, the physics is a little off, I think. I suggest:

My watch band has broken again. I just got it repaired a few days back. Now I think I need a new one.