New Haptic:


Old Haptic:


I think the main difference is that the new haptic allows you to have up to 50 widgets and a UI update. Also, they revamped the face.
Here are some articles:
http://blog.daum.net/paulsong/15737532
http://www.reviewist.co.kr/news/newsview.php?id=103565
Looks wise, the first one is cuter and prettier, but the second one is said to have better functionality.
















