Movement No.B620
Component Roles
Time display
Hour hand | Shows the hour. |
Minute hand | Shows the minute. |
Second hand | Shows the second. |
Date display | Shows the date. |
24-hour hand | Shows the hour in 24-hour display mode. |
Other displays
Chronograph minute hand |
Shows the minute on the chronograph (Stopwatch function). |
Chronograph second hand |
Shows the second on the chronograph (Stopwatch function). |
Operation (crown)
Crown | Allows you to adjust the time and date. |
Normal crown
Can be pulled out in 2 steps.
Screw-lock crown
The crowns on some models can be screw-locked to prevent unintended operation.
To apply the screw-lock, press the crown in while turning it.
Operation (buttons)
B button | Used for operations such as starting and stopping the chronograph. |
A button | Used to reset the chronograph. |
Hidden buttons
On some models, there are hidden buttons.
Press them using a toothpick or similar
implement that will not scratch the watch.
Screw-lock buttons
The buttons on some models can be screw-locked to prevent unintended operation.
To apply the screw-lock, press the screw section inwards while turning it.