Functions of Each Button
Crown
position
Time/calendar
display
—
Button (A)
Button (B)
Chime
To chronograph
Button (C)
display
—
Crown
Moon age
Moon age correction (can be performed at any time regardless of crown
correction
position)
button
Normal position
Chronograph
Zero position
check/Split/
Reset
Start/Stop
To time/
calendar
—
1st position
Setting the calendar
Yearly/Monthly
correction:
Clockwise direction
Yearly/Monthly
correction: Counter-
clockwise direction
Date correction
—
2nd position
Setting the time
Setting of chime:
Clockwise
direction
Setting of chime:
Counter-
clockwise
direction
—
Setting of hour,
minute, 24 hour
clock and day
81