Features: case/bezel material: resin/stainless steel resin strap tough solar mineral crystal analog digital display shock resistant neobrite mud resistant double led light - neon illuminator world time 31 time zones (48 cities + utc) 1/100-second stopwatch countdown timer 5 daily alarms hourly time signal hand shift feature power saving full auto-calendar (to year 2099) 12/24-hour format button operation tone on/off regular timekeeping accuracy: ±15 seconds per month luminous hands date display solid case back buckle clasp 200m water resistance approximate size of case: 56.2 x 54.9 x 17.3mm