Features: case/bezel material: resin nylon strap quartz movement mineral crystal white dial analog digital display led light shock resistant neobrite moon data tide graph 1/100 second stopwatch countdown timer dual time 3 multi-function alarms regular timekeeping full auto calendar 12/24 hours display am/pm display accuracy: ±30 seconds per month day and date display solid case back buckle clasp 100m water resistance approximate size of case: 46.1 × 42.4 × 12.3mm