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
 Chronographminute hand |
Shows the minute on the chronograph (Stopwatch function). |
 Chronographsecond 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.
