About silver black: The bezel of some color has been changed to the new version, please note
Watch usage guide：
1.About the adjustment date：
Before adjusting the date, please adjust the time to 6:30 and then adjust the calendar to prevent damage to the gears of the movement.
2.About waterproof：
Before entering the water, please ensure that the crown and back cover of the watch are completely tightened to prevent water from entering. At the same time, please do not come into contact with water vapor and hot water.
3.About the operation of mechanical watches：
When you receive the watch, please set the time first, and then manually wind the watch 25-30 times so that the watch can work normally. Daily wear for 8 hours can ensure the maintenance of daily operation, and the run-in period is 3-7 days.
4.About quartz watches using Japan VK series movements
Japan VK series movements, such as: VK63, VK64, VK67, watches using VK series movements, the second hand at 12 o'clock is the second hand of the chronograph, not the second hand during daily work. Press the button in the upper right corner to start work or stop, and the button in the lower right corner is the reset button.
