Show your style. Make your move. For over 50 years, Seiko 5 Sports has delivered consistently high levels of reliability, durability, and performance. For dependable timekeeping in your everyday life, this exceptional watch is powered by an automatic movement with a power reserve of approximately 41 hours and features a day/date calendar, LumiBrite hands and markers, and a see-through caseback. With a durable stainless steel case and bracelet and a gray sunray dial, this versatile watch is 100 meter water resistant- perfect for your style no matter what your day has in store. Case: Stainless steel case Case Diameter: 40.0mm Case Thickness: 11.5mm Case Length: 44.6mm Crystal: Hardlex crystal Water Resistance: 10 bar, 100 meters (330 feet) Dial Color: Gray Strap: Stainless steel bracelet Lug Width: 20mm Movement: Caliber 4R36 Automatic 21,600 vibrations per hour 24 jewels Power reserve: approximately 41 hours