Features: case / bezel material: resin stainless steel band quartz movement resin glass led light auto light switch, afterglow data bank dual time 8-digit calculator 1/100-second stopwatch 5 multi-function alarms (with 1 snooze alarm) hourly time signal full auto-calendar (to year 2099) button operation tone on/off regular timekeeping accuracy: ±30 seconds per month adjustable deployment clasp approximate size of case: 46.5 x 33.1 x 8.7mm