SAN FRANCISCO (Reuters) - Apple Watch sales appear to have rebounded for the holidays from mid-year doldrums on a redesign, price cuts and strong promotions, but analysts say long-term demand has yet to be proven.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=35vcu4EUzZk:4cTOldDgboA:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=35vcu4EUzZk:4cTOldDgboA:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=35vcu4EUzZk:4cTOldDgboA:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=35vcu4EUzZk:4cTOldDgboA:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=35vcu4EUzZk:4cTOldDgboA:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/35vcu4EUzZk" height="1" width="1" alt="" />