About this item While it looks like a casual watch, the full-sized TPW 5013 field watch adds a stylish yet rugged complement to your everyday wear. It features a large, round black/blue-tone metal watch case with a rotating bezel that can check elapsed time and remaining time and insert 24-hour notations, luminous stick hands. It also offers a durable nylon strap. Parameters Dial window material type: MineralDisplay Type: AnalogBezel Material: MetalCase diameter: 40 millimetresCase Thickne: 11mmBand Material: NylonBandwidth: 20 millimetres; 18 millimetres(mesh band)Dial colour: BlackBack cover material: Stainle SteelBand Length: 270mm(nylon strap); 230mm(PU strap); 230mm(Mesh Band)Wrist Circumference: 245mm(nylon strap); 210mm(PU strap); 225mm(Mesh Band) Rotating Bezel60-click Counterclockwise Mineral Gla Luminous Hands WATCH STRAP Military ballistic nylon strap with matte buckle features durable, dirt & wet resistant and fit up to 8 inch wrist circumference; This strap is also Non-Allergenic and comfortable to wear both in cold and hot temperature More options Change your look in seconds with versatile leather and fabric slip-thru strap options How to use the Rotating Bezel to measure time To check the elapsed time 1) Align the zero mark of the rotating bezel with the position of the minute hand.2) Then, read the scale above the rotating bezel, to which the minute hand points so as to figure out the elapsed time. As shown in the illustration, the elapsed time is 10 minutes. To check the remaining time 1) Set the mark to the scheduled time.2) You can now see the amount of time that remains until the scheduled point. Note: The rotating bezel of divers' watches conforming to the ISO standard can only be rotated counterclockwise in order to reduce the risk of error. Package content 1 x filed watch(no box)