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Chronograph function

The chronograph can measure up to 60 minutes in 1/5 second increments, capable of timing 12 hours.

When the measurement reaches 12 hours, the chronograph automatically stops counting.

Standard measurement

Accumulated elapsed time measurement

Split time measurement

Cal.

Operation-02

31/Jul./'14

Rev. :  01

YM04A

Start

Stop

Reset

2H button

2H button

4H button

Start

Stop

Restart

2H button

2H button

2H button

2H button

4H button

Start

Split

Split release

2H button

4H button

4H button

2H button

4H button

Stop

Reset

Reset

Stop

Restart and stop of the chronograph 
can be repeated by pressing 2H button.

Measurement and release of sp

l

it time

 

can be repeated by pressing

 

4H button.

P.10-02 

Summary of Contents for 711001

Page 1: ...Watch Movement Specification and Drawing CHRONOGRAPH Cal YM04A Movement Size Casing Diameter Height Battery Life 12 Ø 27 0mm 4 93mm 5 years ...

Page 2: ...e Specifications 02 1 Appearance 02 2 Casing 03 3 Hand fitting 02 4 Hand setting stem 02 5 Dial 01 6 Holding ring for dial 01 7 Attention for assembly 03 8 Attention of casing part structure 02 9 Operation 01 01 10 01 Operation 02 01 10 02 ...

Page 3: ...and 0 03μN m Minute chronograph hand 0 03μN m 1 5 second chronograph hand 0 09μN m Minute hand 0 7μN m Moment of Inertia 1 5 second chronograph hand less than 0 2μg m 5 BATTERY Type Size Silver oxide battery φ9 5mm t 2 73mm Recommended battery SR927SW Nominal voltage 1 55 V Battery life Approx 5 years 2 hours chronograph operation per day Driving current consumption Approx 0 80μA Operation stoppin...

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Page 10: ...e specified Quartz Tester and change the gate time in 10 seconds When installing or changing the battery it is recommended to remove two battery clamp screws first then remove the battery clamp not to damage the movement parts If you install the battery without removing the battery clamp please install the battery from direction as illustrated below Fig 1 After installing the battery set the curre...

Page 11: ...en hour hand and minute hand Use the specified holding ring for dial to prevent rotation of the movement inside of the case in order to stabilize the button operation Refer to the Holding ring for dial page instruction as to the shape and tolerance Use the metal case to prevent from the movement mal function by static electricity Cal YM04A Attention of casing part structure 31 Jul 14 Rev 02 P 9 ...

Page 12: ...tedly 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 Cal Operation 01 31 Jul 14 Rev 01 YM04A 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 1 2nd click Time setting 1 Crown position ...

Page 13: ...ime measurement Split time measurement Cal Operation 02 31 Jul 14 Rev 01 YM04A Start Stop Reset 2H button 2H button 4H button Start Stop Restart 2H button 2H button 2H button 2H button 4H button Start Split Split release 2H button 4H button 4H button 2H button 4H button Stop Reset Reset Stop Restart and stop of the chronograph can be repeated by pressing 2H button Measurement and release of split ...

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