BG-169 series Resin and stainless steel  Adjustable band Shock-resistant construction 200-meter water resistance Battery life: 3 years  Mineral glass 29 time zones  1/100-second stopwatch Countdown timer 5 alarm system Hourly time signal LED backlight for super illuminator afterglow Full auto-calendar Button operation tone on/off 12/24-hour format Dimensions:  L 1.80" x H 0.64" x W 1.68"    Style: bg169m-1 Color: Black  Material: Resin / Stainless Steel