Features: case/bezel material: resin/stainless steel resin strap tough solar movement mineral crystal analog digital display neobrite shock resistant led light afterglow (super illuminator) world time 31 time zones (48 cities + coordinated universal time) 1/100-second stopwatch countdown timer daily alarms hourly time signal battery level indicator full auto-calendar (to year 2099) 12/24-hour format regular timekeeping accuracy: ±30 seconds per month day display solid case back buckle clasp 100m water resistance approximate size of case : 47.5 x 38.4 x 12.3mm