New SKMEI Men's Digital Watch Case Material: Zinc Alloy Case Size: 46mm Belt Material: Silicone Belt Width: 28-20mm Wrist Size: Up to 21cm Weight: 61g Functions: Backlight, Alarm, Stopwatch, Dual Time, Timer The belt is soft and comfortable. The watch and instruction manual (English and Chinese) will be shipped. No box. Simple Operation Instructions: Time Setting: Press and hold the bottom right button to make the numbers flash. Use the top right button to change the numbers. Use the top left button to move between setting items. On the main screen, pressing the top right button switches between 24H and 12H time. Top Left Button: Backlight Bottom Left Button: Mode Change 1st Press: Alarm Time setting is the same as above. Press the top left button to set to 00, and use the bottom right button to turn the hourly chime on/off. Use the bottom right button to turn the alarm and snooze on/off. 2nd Press: Stopwatch Top right button: Start/Stop. Bottom right button: Reset. 3rd Press: Dual Time Time setting is the same as above. 4th Press: Timer Time setting is the same as above. Top right button: Start/Stop. Bottom right button: Reset. ★1■1#2513 Black Black#adzg@efg①F