Features: case/bezel material: stainless steel/resin stainless steel band mineral glass layer guard structure tough solar double led light shock resistant one-touch 3-fold clasp solar powered world time - 31 time zones 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 accuracy: ±15 seconds per month regular timekeeping 200m water resistance size of case: 59.1 x 52.4 x 16.1mm