Konigswerk Night Vision Mens Military Army Sport Quartz Wrist Watch Black Rubber Strap AQ202903G Function:chronograph,date&day display,alarm,backlight,stopwatch Movement (Caliber): Dual- Precision Japanese Quartz Enable with LCD date, day, time Display and alarm function Crystal/Glass material: Anti-Scratch glass:Strap/Bracelet material: Rubber Size of case diameter (mm): 50 :Thickness of case (mm): 16 / Size of band lug (mm): 26:Size of band (mm): 180-240