I dont understand the negative reviews. The app works just fine with watches that have a seconds hand on a subdial! Youre given the option to choose between no seconds, central seconds, and subdial seconds. Ive used it on both quartz and mechanical watches, too. Id like the entry process to be faster. It can sometimes take a few tries to line everything up... Maybe it would be nice to have a slider that moves each piece once you place the axis of rotation.