Akribos XXIV Men's AK711BK Chronograph Quartz Movement Watch with Black Dial and Black Stainless Steel Bracelet Chronograph features include 1/10 second, 60 second, and 60 minute timer sub dials Black, stainless steel, case and bracelet Japanese-quartz movement Case Diameter: 50mm Water resistant to 165 feet (50 M): suitable for swimming and showering