You guys should look at the Seiko spring drive. http://www.seikowatches.com/world/technology/spring_drive/ http://www.seikowatches.com/world/technology/spring_

You guys should look at the Seiko spring drive. http://www.seikowatches.com/world/technology/spring_drive/ http://www.seikowatches.com/world/technology/spring_drive/ Even the most snardy of mechanical watch enthusiasts agree this is a very beautiful mechanism.