Citizen Eco Drive Promaster Diver Black Dial Two Tone Steel Strap Watch For Men - BN0194-57EReliably stylish whether deep underwater or on land, this watch is designed for lasting versatility. Using Eco Drive Technology, light is converted to power, so changing batteries is a thing of the past, and with its bold black dial and bezel set against a blend of silver and gold accents, its looks match its performance. Built to withstand incredible pressure with stainless steel construction, unidirectional bezel and WR200, it has achieved ISO 6425