Features: case/bezel material: resin resin strap quartz movement caliber: 5605 mineral crystal analog digital display led light afterglow shock resistant dual time moon data tide graph 1/100-second stopwatch countdown timer 3 multi-function alarms hourly time signal full auto-calendar (to year 2099) 12/24 hour 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 × 11mm