Press the upper key from left side, the LCD screen area will have a back light, and automatically extinguish after seconds.
In normal state, press the bottom key from left side, the LCD screen enters the stopwatch state. Press the second key from right side to pause, and then press the second key to continue timing. In the pause state, press the forth key of right side can also be pause and continue when timer is pressed.
Adjust quartz watch time:
The crown 1 from right side adjusts the time of the upper pointer quartz meter, pulls the crown out of the table, rotates the pointer by turning the crown, and then presses the crown inward at the correct time.
The crown 2 from the right side is adjusted to the right bottom circular quartz watch, and the method is the same as the crown 1.
Adjust the alarm clock:
Press the forth key of the right side directly to display the alarm clock time. The letter A below represents morning time (00:00-12:00), P represents afternoon time (12:00pm – 12:00pm), H represents 24 hours (00:00-24:00). Hold down the fourth key of the right side, and press the second key of the right side to open it.
Adjust the alarm clock time, in the normal state of the watch display time, press the bottom key of the left side twice, alarm clock hour umber flicker, and then press the second key of right side to adjust the number.
Adjust time, week and date:
In the normal display state, press the bottom key of left side three times, LCD screen into the time adjustment state, the number of seconds flicker, press the second key of the right side to adjust the number.
Press the forth key of the right side to switch items, followed by minutes, hours, dates, weeks, months, flicker that means can be adjusted.
Press the second key of the right side to correct number. After adjusting, press the bottom key of left side to resume normal display state once.
Case material: Alloy
Band material: Leather
Window material: Normal glass
Band length: 240mm
Band width: 20mm
Water resistance: 10m
Buckle type: Stainless steel
There may be some difference from the size due to the manual measurement.