Features: resin case resin strap quartz movement mineral crystal black dial analog digital display neobrite double led light mobile link dual time 1/100-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 case diameter: 49mm approximate case thickness: 15mm