Ventura Men's 'SPARC px' Automatic Stainless Steel and Leather Dress Watch, Color:Black (Model: W 11 L1) The worlds first and only generator operated automatic digital watch Time, date with 4-years automatic date User-selectable 12 or 24h indication Mvt. Ven_99, (no battery); stainless steel case Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion