Features: case / bezel material: resin / chrome plated stainless steel band quartz movement resin glass led backlight afterglow telememo data bank dual time 1/100-second stopwatch countdown timer multi-function alarms hourly time signal full auto-calendar (to year 2039) regular timekeeping accuracy: ±30 seconds per month adjustable deployment clasp water resistant approximate size of case: 39.6 × 33.3 × 8.6mm