http://www.yankodesign.com/product_info.php?products_id=794
It’s both disposable and conceptual, and thus offends both my environmentalist ethics and my pragmatic tendencies, but this is just too damn cool:
Non permanent, self-gumming watch “timeflex” designed for using in situations when individual time control is necessary, but personal watch is difficult to access (swimming, sunbathing, working in laboratory, during going in for sports) & other situations where man uses working clothe. You can just stick it on your clothe or skin and use until you need. After that you can throw it away.