Features: stainless steel case stainless steel bracelet quartz movement mineral crystal black dial analog digital display double led light mobile link flight mode world time 1/1000 second stopwatch countdown timer 5 daily alarms full auto calendar luminous hands day and date display 12/24 hours display accuracy: ±15 seconds per month solid case back deployment clasp 100m water resistance approximate case diameter: 49mm approximate case thickness: 13mm