From the Prospex Collection. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. Sleeker, thinner and more compact, this perfectly balanced solar diver’s watch combines performance with the wearability of the earliest diver’s models. Following ISO standards for scuba diving at depths of up to 200 meters, this exceptional timepiece features an energy-efficient solar cell, powered by any light source, with no battery change required, providing a 10-month power reserve when fully charged. The highly legible dial, including a date calendar and LumiBrite hands and markers, is framed by a black uni-directional elapsed timing bezel and topped by a sapphire crystal for superior scratch resistance. Crafted of stainless steel with secure screwdown crown and caseback, and rugged black silicone strap. 200m Water Resistant Features From the Prospex Collection Solar diver's watch Black unidirectional rotating elapsed timing bezel Black dial Date calendar LumiBrite hands and markers Screwdown crown and caseback Powered by light energy - no battery change required 10-month power reserve once fully charged Specifications Collection: Prospex Gender: Men's Movement: Solar Band: Silicone Dial Color: Black Caliber: V147 Case Diameter: 38.50mm Case Thickness: 10.60mm Case Length: 46.45mm Case Material: Stainless steel case Crystal: Sapphire crystal Strap: Black silicone strap Water Resistance: 20 bar, 200 meters (660 feet)