Features: resin case resin strap quartz movement mineral crystal black dial analog digital display shock resistant magnetic resistant led light world time 1/1000 second stopwatch countdown timer 5 daily alarms hourly time signal full auto calendar 12/24 hours display regular timekeeping accuracy: ±15 seconds per month day and date display screwed case back buckle clasp 200m water resistance approximate size of case: 49 × 46 x 16mm