Features: case/bezel material: resin resin strap quartz movement mineral crystal analog digital display neobrite moon data tide graph super illuminator shock resistant led backlight world time (27 cities) dual time 1-second stopwatch countdown timer 3 daily alarms hourly time signal full auto-calendar (to year 2039) 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: 46.1 × 42.4 × 11mm