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 black dial framed by a black rotating bezel, this versatile watch is 100 meter water resistant- perfect for your style no matter what your day has in store.Specifications Model: SRPD55 Collection: Seiko 5 Sports Movement: Automatic Caliber: 4R36 Power reserve / battery: approximately 41 hours Dial color: Black Diameter: 42.5 mm Thickness: 13.4 mm Lug-to-lug: 46 mm Lug width: 22 mm Water resistance: 10 bar, 100 meters (330 feet) Crystal: Hardlex crystal Strap / band: Stainless steel bracelet Case material: Stainless steel case