Features: case / bezel material: resin resin strap resin crystal analog digital display tough solar neobrite world time 31 time zones (48 cities + utc) 2 countdown timers 5 daily alarms 1/100-second stopwatch led light (lcd part only) hourly time signal full auto-calendar (to year 2099) 12/24-hour format button operation tone on/off regular timekeeping accuracy: ±30 seconds per month buckle clasp 100m water resistance approximate size of case: 52.2 x 46.6 x 13.8mm