Stainless steel case back digital and analog watch Two-hand quartz movement Multi function subdials Digital date window Auto LED light with afterglow Shock resistant ISO764 Class Magnetic resistant 1/1000 second stopwatch measures elapsed, split, 1st and 2nd place times 5 daily alarms (with 1 snooze alarm) Mach indicator (speed exceeding 1225 units/hour) 29 time zones Full auto-calendar Plastic strap Case measures 55mm(L) x 51.2mm(W)