Epson YM04A Watch Movement Specification And Drawing page 12

Cal.
YM04A
1/5 second chronograph hand
Small second hand
Minute chronograph hand
Crown
2H button
4H button
[*1] How to set the "0" position
Pull crown out to the 2nd click position.
Press 2H button for 2 seconds.
Press 4H button repeatedly to set it to "0" position.
Press 2H button for 2 seconds.
Press 4H button repeatedly to set it to "0" position.
Push crown back to normal position.
Operation-01
Hour hand
0 click
Free
Chronograph Start/Stop
Restart
Chronograph Reset
Split
Split release
↓
Minute chronograph hand turns a full round and can now be
set to correct "0" position.
↓
↓
1/5 second chronograph hand turns a full round and can now
be set to correct "0" position.
↓
↓
Minute hand
2H button
0 ® 1 ® 2
24 hour hand
4H button
Crown position
1st click
Turn clockwise for date
change
Chronograph Start/Stop
Restart
Chronograph Reset
Split
Split release
Date : 31/Jul./'14
Rev. : 01
Crown
2nd click
Time setting
[*1]
[*1]
P.10-01