Interested in the stars but not convinced buying your own multimillion dollar planetarium is the way to go? Expert watchmaker Christiaan van der Klaauw has an unusual solution, put it on your wrist. The Christiaan Van Der Klaauw Planetarium Watch ($23,700) is the smallest such planetarium complication in the world. Besides the time, the watch has an annual calendar with month and date, along with a cosmic movement that shows the relevant placement of Mercury, Venus, Earth, Mars, Jupiter, and Saturn around the sun. The attention to detail and old world styling make this an instant collectors item and an celestial conversation piece.