The Rado Ceramica and Movado Valor watches are the least obtrusive watches I own. Both have the added benefit of being extremely durable (I'm tough on watches). They still get in the way a bit, though.
Maybe you need a ring watch. This one is interesting... http://www.nova68.com/Merchant2/merchant.mvc?Screen=PROD&...
But I'd prefer the Pooh watch... http://www.whattimeizit.com/servlet/the-1/winnie-the-pooh-ri...