Can someone please explain to me the differences between these two watches apart from the leather and rubber straps. Also, can someone please tell me how to put on the leather strap! It's hard putting it in the slider and lifting the case because it sticks to my wrist.
http://pure-time.com/product/royal-oak-offshore-2014-navy-jf-11-best-edition-blue-theme-on-blue-rubber-strap-a7750-free-blue-leather-strap/
vs
http://pure-time.com/product/royal-oak-offshore-jf-11-best-edition-blue-themes-on-blue-leather-strap-a7750/