I'm having real issues with mine. It worked fine for a day, now it's buggered. Here's my mail to Sony support. We'll see if it gets resolved.
I received the SmartWatch from Amazon yesterday, and after a day of it working fine with my Xperia S, it now completely fails to update any of the push notifications (email, Twitter, Facebook, texts), despite the fact it is connected to the phone. Endomondo, Weather and missed calls work. In addition, many of the SmartExtras don't work - they crash when in LiveWare Manager.
As a customer of the initial LiveView (£45 wasted on something that literally did not work), I was obviously a little worried that this accessory would be equally deficient. Sadly, it's proving to be the case.
I have re-set the watch and uninstalled then reinstalled everything; both the SmartWatch and LiveWare Manager, and have re-paired the device several times. The support is non-existent on the website (even the manual links to a web page which doesn't exist).
Overall, pretty disgruntled.
I'd be very grateful if you could let me know if there are known issues with the SmartWatch and how I may rectify it.