A precision-built tool for yacht racing, the Promaster WaveTracker features a high-definition MIP LCD display developed for sailing performance. Sustainably powered by any light with our proprietary Eco-Drive technology, which never needs a battery, the 42mm yellow gold-tone stainless steel watch offers race and tide modes, 200 meters of water resistance, and global tide data displayed on a sunray black dial. Caliber U812. Features • Solar movement is powered by light for simple long term ownership• High definition MIP LCD display supports clear digital visibility• Race and tide modes add useful sailing focused function• Tide graph function includes global tide data for 193 locations• Sapphire crystal provides strong scratch resistance for daily wear Specifications • Collection: Promaster• Gender: Men• Style: Sport• Movement: Solar• Band: Light gold tone stainless steel bracelet, safety fold over clasp with push buttons• Wrist Size: 6 1/2 inches to 9 inches• Dial Color: Black• Case Diameter: 42 mm• Lug Width: 22 mm• Case Material: Light gold tone stainless steel• Crystal: Sapphire crystal• Water Resistance: 200 meters