Armitron Men's 20/4955BKTI Multi-Function Black Ion-Plated Bracelet Watch Watch featuring luminous hands, textured bezel, and trio of subdials with date, day, and 24-hour subdials 49 mm black ion-plated stainless steel case with mineral dial window Japanese quartz movement with analog display Black ion-plated stainless steel link bracelet with fold-over clasp Water resistant to 50 m (165 ft): In general, suitable for short periods of recreational swimming, but not diving or snorkeling.