Akribos XXIV Men's AK532BK Swiss Quartz Movement Watch with Black Dial and Black Silicone Strap Multifunction features include month, day, and GMT (24 hour) sub dials; date window at the 3 o'clock position Black dial with luminescent hands and baton hour markers Swiss-quartz movement Case Diameter: 48mm Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion