Features: case/bezel material: resin resin strap quartz movement resin crystal analog digital display telememo 30 world time 1/100-second stopwatch countdown timer 3 daily alarms hourly time signal full auto-calendar (to year 2099) 12/24-hour format regular timekeeping accuracy: ±30 seconds per month luminous hands day and date display solid case back buckle clasp 100m water resistance approximate size of case: 52.2 x 46.6 x 16.6mm