Citizen Eco-Drive E784 Abbreviated Instruction Download Page 2

4. 

Rotate the crown clockwise to adjust the year and month 

setting.

•  If you rotate the crown quickly a few times, the hand will move 

continuously. To stop the rapid movement, rotate the crown clockwise.

12

1

2

3

4

5

6

7

8

9

10

11

“Month” corresponds to one of 

the 12 zones shown in the figure 

below.

Each number means month.

The year corresponds to the 

years since leap year and is 

indicated with the position of the 

second hand.

Years since leap year:  

0

 (Leap 

year)

0

Years since leap year:  

1

1

Years since leap year:  

2

2

3

Years since leap year:  

3

5. 

Rotate the crown counterclockwise to set the date indication.

6. 

Press the button to finish the procedure.

E784 Abbreviated instruction

Setting summer time

• The summer time setting (

SMT ON/OFF

) you set is applied to all the time zones 

of the world time.

1. 

Push the crown in to position 

0

.

2. 

Press and release the button.

The second hand indicates the current summer time setting.

•  The watch returns to normal indication in 10 seconds without any 

operation during the steps below.

3. 

Rotate the crown to switch the summer time setting (

SMT 

ON/OFF

).

SMT ON

SMT

ON

OFF

Summer time is indicated.

SMT OFF

SMT

ON

OFF

The standard time is indicated.

•  Each time you rotate the crown clockwise, the setting changes alternately.

4. 

Press the button to finish the procedure.

Setting the time and calendar

• Before adjusting time and calendar, check the time zone of the time and 

calendar to set and its summer time status and adjust the setting of world time 

and that of summer time (

SMT ON/OFF

) correctly.

Setting the time

1. 

Pull the crown out to position 

2

.

The second hand points to 0 seconds and stops.

•  Adjust the reference position before time and calendar adjustment if the 

second hand does not point 0 seconds following the steps of “Correcting 

the reference position”.

2. 

Rotate the crown to set hour and minute.

•  When you rotate the crown quickly a few times, the hand/indication will 

move continuously. To stop the rapid movement, rotate the crown in either 

direction.

•  Date indication also moves synchronously. Change of date indication 

shows it just became AM.

•  Date indication does not change while moving the hands counterclockwise.

3. 

Push the crown in to position 

0

 in accordance with a reliable 

time source to finish the procedure.

Setting the calendar

1. 

Push the crown in to position 

0

.

2. 

Press and release the button.

The second hand indicates the current summer time setting.

•  Execute the next step within 10 seconds.

3. 

Press and hold the button for 2 seconds or more while the 

second hand indicates the summer time setting.

The second hand turns fully around and indicates the current year and 

month setting.

•  Release the button when the second hand starts moving.

•  The watch returns to normal indication in 30 seconds without any 

operation during the steps below.

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