1 The first time you use the watch, please turn button clockwise 20-25 times, then shake the watch, the watch starts. Please do not turn the button counter-clockwise twist, or spring damaged.
2 adjust the date, pull out the button into the first gear, and then counter-clockwise turn, adjust to the specified date, and Press the button and then back into place.
3 Regulation time, pull the button to the second gear, and then turn clockwise to adjust to the specified time, and Press the button and then back into place.
4 Always wear a watch or Every morning, evening turn clockwise the button 20-25 times to ensure continued momentum chronograph watches.
5 There is a reasonable travel time mechanical error range, you need more than a day or winding movement,
if high accuracy requirements on time buyer, please be careful to buy.