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Automatically stops hands to minimize electrical energy consumption when watch is not in use.
Restarts hands automatically when watch is swung, resuming normal operation.
Fully charged watch operates for approximately four years with power save function.
Diagrams and explanation of the circuit block structure and its components.
Procedure for installing hour, minute, and second hands on Cal. 5J22A movement.
Details on the setting position and handling of the hour wheel guard spring.
Instructions for setting the date dial guard and its spring portion.
Setting procedure for the day-date corrector wheel with yoke tracking.
Correct setting direction for the second intermediate wheel for calendar corrector.
Checking secure engagement between date dial and date driving wheel gear.
Procedure for setting the date driving wheel and its spring.
Tightening procedure for the oscillating weight screw, ensuring gear engagement.
Lubricating instructions for the ball-bearing of the oscillating weight.
Instructions for removing and installing the rechargeable battery unit.
Checking component seating before tightening the circuit block cover A screw.
Lubrication of the oscillating weight bridge before reassembly to the main plate.
Procedure for setting and seating the circuit block onto guide tubes.
Identification and setting for the second wheel and pinion.
Notes on distinguishing and setting the intermediate second wheel.
Note on interchangeable use of second rotor and hour and minute rotor.
Details on the fourth wheel and pinion, including lubrication.
Notes on distinguishing and setting the third wheel and pinion.
Lubrication instructions for the minute wheel and pinion.
Setting procedure for the spacer, ensuring it is well seated.
Procedure for securely setting the spring and tightening the screw.
Instructions for bending the setting lever spring to catch the tube.
Ensure secure contact of yoke spring portion with pin for manual power save.
Procedure for installing the train wheel setting lever and setting lever.
Securely press the power saving switch lead pin to the circuit block spacer.
Procedure for setting and seating the circuit block spacer, ensuring smooth movement.
Measurement of resistance for second coil block and hour/minute coil block.
Procedure to check for leakage between coils if hands do not move properly.
Measurement of resistance for the generating coil block.
Standard values for current consumption of the whole movement and circuit block.
Procedure to measure current consumption of the movement while hands are moving.
Procedure to measure current consumption of the circuit block alone.
Procedure to measure rechargeable battery voltage and assess system.
Procedure to verify the operation of power save and time relay functions.
Summary of key functions and their behavior for troubleshooting.
Troubleshooting table for common issues like reduced hand movement speed.
Troubleshooting table for issues like time relay function not activating.
General
