Specifications: Case Diameter: 44mm approx Case Thickness: 11.5mm approx Band Length: 220mm approx Band Width: 22mm approx Watch Weight: 85g approx Case Material: Alloy Band Material: Leather Dial Window Material Type: Hardlex Gender: Men Movement: Quartz movement Function: Chronograph, 24-hour indicator, Luminous hands, Date indicator, 3 ATM water resistant Clasp type: Buckle Important points: Chronograph: The chronograph is very weak and needs your attention, please take it carefully afer receiving the watch. Please follow the steps below to test chronograph performance: 1. Press the top button(press once only) and check if all the small dials work, please wait at least 60 seconds(1 minute). 2. Then press the top button again (press once only) to stop all the small dials. 3. Press the bottom button, check whether the small dials get back to their original positions. 4. Please don't press the buttons frequently and don't press them mixed. Since this operation will lead the movement miss its way and rules, it will make the chronograph broken. 24-hour indicator: 24-hour indicator is not chronograph, it moves with time. When you adjust time, the 24-hour indicator will be adjusted accordingly. Watch settings: 1. Date adjustment: pull the crown out once and rotate it clockwise to adjust date. PLEASE DO NOT rotate the crown anti-clockwise, if you did this action, please rotate the crown clockwise until the calendar can be adjusted. 2. Time adjustment: pull the crown out twice and rotate it to adjust time. 3. Small pointers of chronograph dials adjustment: pull the crown out twice and press the bottom button to adjust the position of the small pointers. Package: 1 * watch 1 * user mannual