Features: case/bezel material: resin resin strap quartz movement caliber: 3465 mineral crystal black dial digital display shock resistant electro-luminescent backlight afterglow world time 29 time zones (48 cities) 1/100-second stopwatch countdown timer 5 daily alarm hourly time signal full auto-calendar (to year 2039) 12/24-hour format regular timekeeping accuracy: ±15 seconds per month day and date display solid case back buckle clasp 200m water resistance approximate size of case: 51.4 x 46.8 x 15.5mm