Engineered for rugged performance this tactical digital timepiece features a shock resistant 1.97" (50 mm) ABS plastic case and a clear acrylic window for extreme durability during high impact activities. The multi functional Japanese chipset supports dual time zones an auto calendar and a 24 hour stopwatch while the bright LED backlight ensures easy reading in total darkness. Designed with a comfortable rubber strap this watch is ideal for swimming, fishing, climbing or daily general use.