Precision multi-function power alarm quartz chronograph; 1/20th second, 60 minutes, 12-hour accumulated elapsed time; Tachymetre; Solid brushed stainless steel case; Screw-locked crown; Screw-in back; Crown shoulder guard; Navigational slide rule bezel; Superluminova advanced illumination system; Alarm indicator; Water resistant to 330 feet; 2-year manufacturer's international warranty.