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PARTS CATALOGUE / TECHNICAL GUIDE
Cal. 5J32A
PARTS CATALOGUE / TECHNICAL GUIDE (p. 1 – 22)
[SPECIFICATIONS]
Cal. No.
5J32A
Item
Movement
(x 1.0)
Movement
Outside diameter ø26.4 mm
size
Casing diameter ø25.6 mm
Height 4.15 mm
Time indication 3 hands Hour and minute hands move at 5-second intervals.
()
Second hand moves at 1-second intervals.
Driving system • Step motor (Load compensated driving pulse type, 2 pieces)
Additional mechanism • Automatic generating system
• Energy depletion forewa
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REMARKS ON REPAIRING CAL. 5J32A Cal. 5J32A is an epoch-making model of SEIKO’s revolutionary KINETIC watches, just like 5J21A/5J22A. It is equipped with innovative functions that have introduced a completely new concept into the KINETIC technology SEIKO has cultivated in its long years of precision product manufacturing. In repairing Cal. 5J32A, therefore, you are requested to have the full knowledge of its functions and strictly observe the repairing and checking instructions provided in this
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Cal. 5J32A PARTS CATALOGUE ➔ Disassembling procedures Figs. : 1 61 ➔ Reassembling procedures Figs. : 61 1 Lubricating: Types of oil Oil quantity Moebius A Normal quantity Moebius F Liberal quantity SEIKO Watch Oil S-6 Remarks on removing the winding stem 1 Hour, minute and To remove the winding stem when taking second hands out the movement from the case or while disassembling the parts during repair work, be sure to pull out the crown to the first click, and then, remove the winding stem while
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PARTS CATALOGUE Cal. 5J32A 14 0022 490 Oscillating weight screw 15 0500 537 Oscillating weight 16 0012 354 Rechargeable battery clamp screw 17 4225 522 Rechargeable battery clamp 18 4216 524 Insulator for rechargeable battery 19 3023 24X Rechargeable battery unit 20 0012 354 Circuit block cover A screw 21 4457 804 Circuit block cover A 22 4457 774 Circuit block cover D 23 0012 354 Circuit block cover C screw 24 4457 773 Circuit block cover C 25 0012 354 Circuit block cover B screw 26 4457 772 Ci
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PARTS CATALOGUE Cal. 5J32A 29 1002 557 Intermediate wheel for generating rotor 30 0012 354 Train wheel bridge screw 31 0125 556 Train wheel bridge 32 4146 522 Generating rotor 33 4002 525 Generating coil block 34 0240 556 Second wheel and pinion 35 0317 557 Intermediate second wheel 36 0241 556 Fourth wheel and pinion 37 0231 556 Third wheel and pinion 38 4146 521 Second rotor 39 4146 523 Hour and minute rotor 40 0281 552 Setting wheel 41 0766 553 Intermediate minute wheel 42 0261 553 Minute whe
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PARTS CATALOGUE Cal. 5J32A 48 0012 354 Setting lever spring screw 49 0388 557 Setting lever spring 50 0383 557 Setting lever 51 0384 557 Yoke 52 0391 557 Train wheel setting lever 53 4239 524 Generating stator 54 4239 523 Second stator 55 4239 522 Hour and minute stator 56 Winding stem 57 0282 523 Clutch wheel 58 0962 557 First intermediate wheel for calendar corrector 59 0027 369 Power saving switch lead pin 60 4408 524 Circuit block spacer 61 0100 556 Main plate Please see the remarks on the f
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PARTS CATALOGUE Cal. 5J32A Identification of circuit block In order to distinguish 5J32 circuit block from 5J21/5J22 circuit blocks, refer to "Identification of 5J series circuit blocks" on page 22. Remarks: 8 Date dial Position of Color of Part code Position of crown Color of figure calendar frame background 0878 942 3 o’clock 3 o’clock White Black 0878 943 3 o’clock 3 o’clock Black White The type of date dial is determined based on the design of cases. (The table above does not cover all the
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Cal. 5J32A TECHNICAL GUIDE II. REMARKS ON DISASSEMBLING AND REASSEMBLING For disassembling and reassembling, be sure to use the universal movement holder. 1 Hands In case of conventional quartz movements, the hands should be installed immediately after the date changes by turning the crown. Cal. 5J32A uses a new calendar mechanism that changes without perceptible clicks, and therefore, the procedure below should be followed to install the hands. • How to install 1. Pull out the crown to the seco
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Cal. 5J32A TECHNICAL GUIDE Please insert the pivot of the 6 Day-date corrector wheel day-date corrector wheel here. ▲ Before setting the day-date corrector wheel, check the yoke through the tracking hole of the movement. Set the wheel in such a manner that Yoke its pivot portion passes through the shaded portion in the illustration at right. Tracking hole of the movement Dial side 7 Second intermediate wheel for calendar corrector Set the second intermediate wheel for calendar corrector in the
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Cal. 5J32A TECHNICAL GUIDE 14 Oscillating weight screw Oscillating weight screw · Before tightening the oscillating weight screw, check that the gear of the oscillating weight wheel securely engages with the pinion of the intermediate wheel for generating rotor (“A” portion in the illustration). · Tighten the oscillating weight screw firmly, “A” portion applying more force than usual. If the oscillating weight screw becomes loose, electricity generation will be defective. 15 Oscillating weight
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Cal. 5J32A TECHNICAL GUIDE 27 Oscillating weight bridge 29 Intermediate wheel for generating rotor 32 Generating rotor · Lubricate the ball-bearing of the oscillating weight bridge as shown below before reassembling it to the main plate. · Lubricate the upper and lower pivots and other portions of the generating rotor and intermediate wheel for generating rotor as shown in the illustration. Oscillating weight bridge Intermediate wheel for generating rotor Intermediate wheel Generating for genera
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Cal. 5J32A TECHNICAL GUIDE 38 Second rotor 36 Fourth wheel and pinion 37 Third wheel and pinion 39 Hour and minute rotor 35 Intermediate second wheel 40 Setting wheel 34 Second wheel and pinion 42 Minute wheel and pinion 41 Intermediate minute wheel Case back side Main plate side Note: Do not set the intermediate minute wheel upside down. • Lubricating For the lubrication of these parts, refer to the illustrations below. Note: Be sure to observe the position, type of oil and quantity of lubricat
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Cal. 5J32A TECHNICAL GUIDE Notes: Second Intermediate Second wheel rotor second wheel and pinion * Lubricate the minute wheel and pinion before reassembling it to the train wheel bridge. When lubricating it, take care not to stain the pinion with oil. * Do not lubricate the lower pivots of the third wheel and pinion and intermediate second wheel excessively. Be sure to observe the specified quantity. 43 Spacer for center wheel and pinion • Setting position See the illustration at right. • How
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Cal. 5J32A TECHNICAL GUIDE 50 Setting lever “A” portion 51 Yoke 52 Train wheel setting lever Yoke • Make sure that the spring portion of the yoke (“A” in the illustration) makes secure contact with the pin. Note: If a defective contact occurs between Setting lever the spring portion of the yoke and the pin, the manual power save function may not be activated. • Lubricating Clutch wheel See the illustration at right. • When installing the setting lever, insert the tube on its underside properly i
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Cal. 5J32A TECHNICAL GUIDE III. VALUE CHECKING AND ADJUSTMENT ● Coil block resistance Second coil block : 2.00 KΩ ~ 2.45 KΩ Hour and minute coil block : Coil for driving hands : 1.00 KΩ ~ 1.20 KΩ Coil for detecting generation : 280 Ω ~ 360 Ω Note: Measure the coil block resistance after installing each coil block to the movement, checking that stable measurements may be obtained. * The motor driving the hour and minute hands uses a special driving system so that they move quickly to indicate the
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Cal. 5J32A TECHNICAL GUIDE ● Current consumption For the whole movement (while the hands are moving): Less than 0.70 µ A (with 1.55 V supplied from a battery) For the circuit block alone : Less than 0.13 µ A (with 1.55 V supplied from a battery) * The current consumption for the circuit block alone is approximately equivalent to that obtained while the power save function is in operation. If the duration of charge is shorter than normal while the watch is left untouched, it is necessary to meas
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Cal. 5J32A TECHNICAL GUIDE Notes: * Light may increase the current consumption, resulting in an inaccurate measurement. If the current consumption exceeds the standard value, protect the movement from light with a black cloth or the like after following step “3” above, and make a measurement again. * When the current consumption for the whole movement exceeds the standard value while the current consumption for the circuit block alone is within the standard value range, a driving pulse may be g
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Cal. 5J32A TECHNICAL GUIDE 2. Close the case back tentatively, and swing the watch from side to side 200 times at a rate of 2 to 3 swings a second, making an arc of approximately 20 cm. 3. Within 3 minutes after swinging the watch, measure the voltage of the rechargeable battery in the same manner as in step “1” above. 4. Refer to the table below, and decide whether the automatic generating system is normal or defective. [ Initial voltage and guidelines of normal/defective decision ] Initial vol
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Cal. 5J32A TECHNICAL GUIDE Checking procedure 1. Adjust the time of the watch to a base time indicated by another watch. 2. Pull out the crown to the first click and push it back in to the normal position within one second. The manual power save function is activated, and the Normal position second hand stops moving. First click Notes: * Take care not to pull out the crown all the way to the second click. * If this happens by mistake, resume the checking (Pull out the crown and push it procedur
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Cal. 5J32A TECHNICAL GUIDE Problems, causes and methods of repair See the Problems Possible causes Methods of repair and checking page below. The quickness of the 1) The coil for detecting 1) Check the resistance of the coil for Page 15 hand movement after generation of the hour and detecting generation. Replace the hour the activation of the minute coil block is broken. and minute coil block if the coil is broken. time relay function has reduced a little. The oscillating weight 1) The coil of t
