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Seiko 7d46A - 7 D48 Technical Instruction No.12

Seiko 7d46A
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7D** Technical Instruction
No.12
No. PROSESS ILLUSTRATIONS AND SPECIAL INSTRUCTIONS
3
Set the oscillating
weight wheel.
2
Set the oscillating
weight.
1
Tighten the
oscillating weight
screw.
Check the
performance of
power generation.
Check the
movement of the
oscillating weight.
Charge the
rechargeable
battery.
<3> Set the oscillating
weight wheel.
<1> Tighten the oscillating weight screw.
<2> Set the oscillating
weight.
Check the performance of power generation.
* The increase in voltage after spinning the oscillating weight should
not be less than 50 mvV.
Check the movement of the oscillating weight.
*Ensure that the oscillating weight rotates smoothly without any
friction or resistance.
Charge the rechargeable battery.
* Charge the rechargeable battery until the voltage reaches 1.3V or
higher by using a recharger or by your hand movement.
(To check the PTP movement)

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