Touchscreen not working - again - 2nd watch

This is getting really annoying.  My Touchscreen stopped working on my original S62.  I called Customer Service and they sent me a replacement.  It worked fine for 1 month or so.  Now the replacement has the same issue.  The Touchscreen just stops working.  It has never been dropped or damaged.   I have updated all the software needed and turned it on/off many times.   Still the touchscreen just does not work.   Was my replacement faulty as well?  Is this a common issue with all of these?   The watch is not cheap and its really annoying that it does not work anymore.