Most solar-powered watches tend to the plasticky sports end of the chrono rainbow. Happily, there are exceptions to the rule, such as these two Citizen Eco Drives. They'll never need a battery and both look nice, even if the blokes' one does have a chintzy City boy strap. They work via a photovoltaic solar cell behind the dial that powers the watch's rechargeable battery - broadly similar to the tech in bags like this and this. Citizen says you'll get a "lifetime's use" from the battery, which - when fully charged - should run without light for somewhere between 45 days and 5 years. In another words, you're fine unless you live in a dungeon. As well as these designs (the £270 BL8000-03A, right, and the £130 EG2100-55E, left) Citizen flogs several dozen Eco Drive styles. Have a look on eBay - there were 92 Eco Drives for sale when I searched today. [found via Treehugger]
From: BEST OF 2008: Eco-friendy and sustainable shoes