MOW900

SEIKO VD51 – Standard Chronograph Movement

Functions: 3 hands (hours, minutes, seconds), date, chronograph: seconds, 60 minutes

Movement: quartz

Battery life: approximately 3 years

Display:  

Corwn operation :

( ! ) Please refer to the watch description page to check the crown type of your watch. If the crown of your watch is screw-down type, it is necessary to unlock the screw-down crown before operating and relock it after operating.  
Unscrew the crown by turning it counterclockwise / Screw up the crown by turning it clockwise. 

Setting procedure: 

How to adjust the stopwatch hand position:  
If the chronograph is running, press button A then B to return the hands to position 0.   
If one of the chronograph hands is not in position 0, reset it by following the procedure below:  
(1)    Pull the crown out to position 2  
(2)    Press button A or B to reset chronograph hands to position 0  
*The chronograph minute hand moves correspondingly with the chronograph second hand.  
*Hands move quickly if buttons A and B are kept pressed.         (3) Once hands have been reset, push crown to position 0  How to set time:   
After resetting the chronograph hands, set the hour and minute hands.  
(1)    Pull the crown out to position 2 when the seconds hand is at the 12 o'clock position.  
(2)    Turn the crown clockwise to set the hour and minute hands.  
*When setting the hour & minute hands, take AM/PM into consideration. When the date changes over, it’s AM.  
(3)    Once the time is set, push the crown back to position 0, seconds hand begins to run.  

How to set date: 
(1)    Pull crown out to position 1  
(2)    Turn crown clockwise until the desired date appears in the date window  
(3)    Once the date has been set, return the crown to position 0  
*Do not set the date between 9pm and 1am. Otherwise, it may not set correctly.    

How to use the chronograph:   
The chronograph can measure up to 12 hours in seconds.   
1.    Standard movement  
Press the buttons in the following order: 

1.    Accumulated elapsed time measurement Press the buttons in the following order:  

*Repeat and Stop can be repeated as many times as necessary by pressing button A.  
 
1.    Split time measurement  
Press the buttons in the following order:  

*Split and Split Release and Stop can be repeated as many times as necessary by pressing button A.