Add incredible style and some seriously smart technology to your wrist with the Ressence Type 2 e-Crown Concept Wristwatch. It might look like something from the future, but the Type 2 is 100 percent mechanical. However, there is no visible winder on this timepiece. When the power runs dry, you simply tap on the face to restart the watch. The Ressence watch can also reset itself to the correct time, even after losing power. This is made possible by the ten photovoltaic cells that are embedded in the watch face. When the battery dips below half full, shutters open to reveal the tiny solar panels. In addition, this watch works in tandem with a smartphone app. This lets you set up different time zones and switch between them at will. The production version of the Type 2 should arrive later this year. When it does, expect to pay upwards of $40,000 for this mechanical marvel.