Epson YM92A Watch Movement Specification And Drawing Download | Manualshive

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Watch Movement Specification and Drawing

CHRONOGRAPH

Cal. YM92A

Movement Size

Casing Diameter

Height

Battery Life

12’’’

Ø

27.0mm

3.7mm

3 years

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3
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Summary of Contents for YM92A

Page 1: ...Watch Movement Specification and Drawing CHRONOGRAPH Cal YM92A Movement Size Casing Diameter Height Battery Life 12 Ø 27 0mm 3 7mm 3 years ...

Page 2: ...5 3 Hand fitting 03 4 Hand setting stem 02 5 Dial 01 02 6 01 Dial 02 01 6 02 Dial 03 01 6 03 Dial 04 01 6 04 Holding ring for dial 01 03 7 01 Holding ring for dial 02 02 7 02 Attention for assembly 03 8 Attention of casing part structure 02 9 Operation 01 03 10 01 Operation 02 02 10 02 ...

Page 3: ...cond chronograph hand 0 03μN m Minute chronograph hand 0 03μN m Second chronograph hand 0 06μN m Minute hand 0 70μN m Moment of Inertia 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 3 years 2 hours chronograph operation per day Driving current consumption Approx 0 80μA Operat...

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Page 14: ... at 1st click position and then remove the stem while pressing the hollow portion of setting lever by tweezers Refer to the Fig 3 Each hand moves at step interval Set the each hand at correct position according to the scale on the dial in order not to make a mistake in reading time When installing or changing the battery it is recommended to remove two battery clamp screws first then remove the ba...

Page 15: ... the movement mal function by static electricity The center wheel have a safety stopper structure to prevent the minute hand from being pressed too much However pay attention to the contact between hour hand and minute hand When set and remove the hour hand repeatedly it may reduce the hand fixing torque because the hour wheel is made by plastic To ensure the enough fixing torque it isn t recommen...

Page 16: ...dly to set it to 0 position Push crown back to normal position Cal Operation 01 31 Jul 14 Rev 03 YM92A Second chronograph hand turns a full round and can now be set to correct 0 position Hour and minute chronograph hand turns a full round and can now be set to correct 0 position Press 2H button for 2 seconds here will allow you to resume the procedure again as indicated by the arrow if necessary 1...

Page 17: ...ut 10 minutes and automatically stops at the 0 position When the measurement is stopped or split time is measured it moves to indicate the elapsed 1 20 seconds Cal Operation 02 31 Jul 14 Rev 02 YM92A Restart and stop of the chronograph can be repeated by pressing 2H button Measurement and release of split time can be repeated by pressing 4H button Start Stop Reset 2H button 2H button 4H button Sta...

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