The Suunto line of watches specialize in watches that are mini computers to help athletes reach peak performance. Their latest dive watch the D6 Dive Computer has a digital compass that shows divers the direction in which they are heading both graphically and numerically. The watch can also tell the water temperature and water depth. It has three modes, Air, Nixtrox and Gauge, a stopwatch, dual time and alarm clock. The dive profile can be downloaded to a PC to enable repetitive dive planning.