Citizen Ciena Collection EM0093-59A Womens Diamond Accent Eco-Drive Rose Gold Tone Stainless Steel Watch is $79.99 on Shnoop (MSRP $450). Amazon has this for considerably more $$.  Eco-Drive technology propels the watch’s movement with the power of light by harnessing natural or artificial light and converting it into energy stored in a permanently rechargeable lithium-ion cell. The lithium-ion cell also has a power reserve.