Features: resin case resin band shock resistant mineral glass electro-luminescent backlight afterglow countdown timer multi-function alarm full auto-calendar (to year 2039) 12/24-hour format regular timekeeping accuracy ±15 seconds per month module 3229 auto calendar (pre-programmed until the year 2039) hourly time signal multi-function alarm flash alert 200 meter water resistant size of case/total weight 48.9 x 42.8 x 13.4mm / 60g