Features: case/bezel material: resin/stainless steel resin strap quartz movement mineral crystal analog digital display shock resistant neobrite led light world time hand shift feature thermometer moon data tide graph tidal trend indicator 1-second stopwatch countdown timer counter (keep track of a count up to 999) daily alarm 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 solid case back buckle clasp 200m water resistance size of case: 46.9×45.5×15.1mm