Features: resin case resin strap quartz movement caliber: 3224 resin crystal black dial digital display 1/100-second stopwatch led backlight full auto-calendar daily alarm hourly time signal regular timekeeping 12/24 hours display day and date display screwed case back buckle clasp 50m water resistance approximate case diameter: 47.1mm approximate case thickness: 13.9mm approximate lug width: 25mm