Torgoen Swiss Men's T13101 Computer Zulu Black Ion-Plated Leather Strap Watch Imported Swiss quartz with 24 hours Dual Time hand Movement by Ronda E6 Flight Computer Function 24 hour additional hand for dual time military format Non Radioactive long lasting Luminescence Indexes and hands Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving