Akribos XXIV Men's AK591BK Swiss Chronograph Leather Strap Watch Black, embossed, inner dial surrounded by silver-tone, Roman numeral, hour markers Chronograph features include 60 second and 30 minute timer sub dials; date window at the 6 o'clock position Black, genuine leather, strap Swiss quartz movement Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving