TAG Heuer has gone where no watchmaker has gone before.They have tried to replace gears with belts in a watch. Some of the reasons gears are used in a watch is for accuracy, longevity and compactness. Research in new materials has paved way to belts that can last a lifetime. So, TAG Heuer has taken the bold step to incorporate toothed belts in their Monaco V4 concept watch. Check out the impressive details at the TAG Heuer web page.