PARTS CATALOGUE / TECHNICAL GUIDE Cal. 4F32A, 8F32A Cal. 8F33A, 8F35A PARTS CATALOGUE / TECHNICAL GUIDE (p. 1 – 22) CATÁLOGO DE PARTES / GUÍA TÉCNICA (p. 23 – 44) [SPECIFICATIONS] Cal. No. Item 4F32A 8F32A 8F33A 8F35A Movement The illustrations refer to Cal. 8F32A. Movement size Outside diameter ø18.5 mm 17.7 mm x 18.5 mm ø26.4 mm 25.6 mm x 25.6 mm Casing diameter ø18.5 mm 17.1 mm x 18.5 mm ø26.4 mm 24.8 mm x 24.8 mm 3.9 mm 4.3 mm Height Including the ( battery portion ) (x 1.
PARTS CATALOGUE Cal. 4F32A, 8F32A, 8F33A, 8F35A Disassembling procedures Figs. : 1 → 43 Reassembling procedures Figs. : 43 ← 1 Lubricating: Types of oil Oil quantity Moebius A Normal quantity Moebius F Ex. : Cal. 8F32A 2 Battery (See the front page) 5 4216 115 (Cal. 4F32A) 4216 117 (Cal. 8F32A, 8F33A and 8F35A) Insulator for battery (A) 6 0016 704 Circuit block cover screw 7 4461 022 (Cal. 8F32A) 4461 024 (Cal. 8F33A) 4461 033 (Cal. 8F35A) Circuit block cover (For Cal.
PARTS CATALOGUE Ex. : Cal. 8F32A ➡ Cal. 4F32A, 8F32A, 8F33A, 8F35A 13 4002 115 Coil block 14 0016 704 Train wheel bridge screw 15 0125 254 Train wheel bridge 16 Fourth wheel and pinion 17 0231 116 Third wheel and pinion 18 0701 115 Fifth wheel and pinion 19 4146 116 Step rotor 20 0281 115 Setting wheel 21 0388 117 (Cal. 4F32A) 0388 116 (Cal. 8F32A, 8F33A and 8F35A) Yoke guard 22 0391 115 Train wheel setting lever 23 4239 115 Rotor stator 24 0261 115 (Cal.
PARTS CATALOGUE Cal. 4F32A, 8F32A, 8F33A, 8F35A Cal. 8F33A Cal. 4F32A, 8F32A & 8F35A Ex. : Cal. 8F32A 1 4408 116 (Cal.
PARTS CATALOGUE Cal. 4F32A, 8F32A, 8F33A, 8F35A Remarks: ● Back plate Some models do not use the back plate. ● Case ring The type of case ring is determined based on the design of cases. Check the case number and refer to “SEIKO Casing Parts Catalogue” to choose a corresponding case ring. 4 Day star with dial disk (Only for Cal. 8F33A) Cal. No.
PARTS CATALOGUE Cal. 4F32A, 8F32A, 8F33A, 8F35A [ Cal. 8F32A and 8F33A ] Numeral for discrimination Center wheel and pinion Fourth wheel and pinion Hour wheel 0221 115 0241 446 0273 115 Center wheel and pinion Fourth wheel and pinion Hour wheel 0221 123 0241 446 0273 115 2 [ Cal. 8F35A ] Numeral for discrimination 2 27 Winding stem 0351 196 The type of winding stem is determined based on the design of cases.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A • The explanation here is only for the particular points of Cal. 4F32A, 8F32A, 8F33A and 8F35A. • For the repairing, checking and measuring procedures, refer to the “TECHNICAL GUIDE, GENERAL INSTRUCTIONS”. I. STRUCTURE OF THE CIRCUIT BLOCK [ Cal.
TECHNICAL GUIDE II. Cal. 4F32A, 8F32A, 8F33A, 8F35A REMARKS ON DISASSEMBLING AND REASSEMBLING • For disassembling and reassembling, use the movement holder for exclusive use with the respective calibres. • When installing the hands, place the movement directly on a flat metal plate or a riveting plate.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A [ Movement holder 4F8F-C for the case back side of all Cal. 4F and 8F Series movements ] Pin Hole to set the pin 2 Battery 5 Insulator for battery (A) • How to replace the battery • Be sure to complete the battery replacement work within three minutes. Otherwise, the calendar data stored in the built-in IC will be erased. • Before removing the old battery, be sure to keep a new battery at hand.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A [ Cal. 4F32A ] 1. Locate the position where numeral “1” is printed on the case ring, and insert the tips of the tweezers into the gap between the insulator for battery (A) and the circuit block cover, while taking care not to damage the coil. * Take care not to insert the tips of tweezers too deep into the gap as this may damage the coil. Tweezers Numeral “1” Circuit block cover 2.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A [ Cal. 8F32A, 8F33A and 8F35A ] 1. Locate the position where numeral “1” is printed on the case ring, and insert the tips of the tweezers into the gap between the insulator for battery (A) and the circuit block cover . Then, pry with tweezers in the direction of the arrow in the illustration below to disengage the hooking portion of the circuit block cover. While doing so, take care not to damage the coil.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A • How to install the battery (For Cal.4F32A, 8F32A, 8F33A and 8F35A) [A] When the dial and hands are installed, set the time to 6:00 AM or PM. [B] When the dial and hands are not installed, direct the notched portion of the 24-hour hand toward the 9 o’clock side.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A • Necessary procedure after battery change 1. After the battery is replaced with a new one, be sure to contact the “AC” terminal of the circuit block and the (+) surface of the battery with conductive tweezers for more than three seconds, with the crown at the normal position. 2. Pull out the crown all the way to the second click, and then, push it back in to the normal position. Repeat this procedure twice.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A ■ Procedure of inputting the calendar data 1. Pull out the crown all the way to the second click. 2. Reset the position of the date dial. (ø) First, contact the “ø” terminal and the (+) surface of the battery with conductive tweezers to activate the date dial resetting mode, and then, contact the two portions repeatedly with tweezers until “1” appears in the calendar frame. 3. Set the year.
TECHNICAL GUIDE 5. Cal. 4F32A, 8F32A, 8F33A, 8F35A Set the date. (D) Contact the “D” terminal and the (+) surface of the battery with conductive tweezers to activate the date setting mode. “1” appears in the calendar frame. Then, contact the two portions repeatedly with tweezers until the current date appears in the calendar frame. Notes: * The date dial only advances and will not turn back in the date setting mode.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A * If the year, month or date is not correctly set, repeat the procedure of inputting the calendar data starting from step “1”. 7 Circuit block cover When setting the circuit block cover, take care not to press down the terminal for battery check and the grounding terminal. [ Cal. 4F32A ] Terminal for battery check 8 [ Cal.
TECHNICAL GUIDE 15 Cal. 4F32A, 8F32A, 8F33A, 8F35A Train wheel bridge • Setting position of wheels Step rotor Fifth wheel and pinion Setting wheel Minute wheel and pinion Fourth wheel and pinion Third wheel and pinion 22 Train wheel setting lever 25 Setting lever 26 Yoke Train wheel setting lever • Setting position Setting lever Yoke Note: Take care not to deform the spring portion of the yoke. While the circuit block cover is removed, do not pull out or push in the crown.
TECHNICAL GUIDE 32 Cal. 4F32A, 8F32A, 8F33A, 8F35A Date dial guard Unlike conventional movements, the date dial guard is not fixed with screws. It is set to the main plate with the three protrusions, which are caught under the main plate by turning the guard. Then, it is fixed by the two guide pins. B portion • How to remove 1. Lightly lift the A portion of the date dial guard with tweezers to clear it from the guide pin, and then, move it in the clockwise direction until it gets on the guide pin. 2.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A 36 Intermediate date driving wheel and pinion 38 Ultrasonic rotor 39 24-hour wheel 40 Date driving wheel 24-hour wheel Ultrasonic rotor Intermediate date driving wheel and pinion • Setting position (For Cal. 4F32A, 8F32A and 8F35A) Date driving wheel Refer to the illustration at right. Note: Take care not to damage or deform the pinions of the ultrasonic rotor and date driving wheel in reassembling and disassembling, as they are made of plastic.
TECHNICAL GUIDE III. Cal. 4F32A, 8F32A, 8F33A, 8F35A VALUE CHECKING ● Coil block resistance 3.6 KΩ ~ 4.0 KΩ Measuring the coil block resistance 1. Measure the resistance with the coil block installed on the main plate. 2. Apply the red and black probes of the tester to the patterns of the coil lead terminal. While doing so, take care not to touch the end portion of the coil lead terminal, as this will break the coil wire. ● Current consumption For the whole movement : Less than 1.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A ● Time accuracy • The time accuracy measurement should be made in an environment with the temperature at the range of 23° C ± 2° C and humidity between 50% and 60%. Normal loss/gain at a normal temperature (23° C) : +0.020 ~ +0.140 sec./day [A] Check the loss/gain of the watch with the case back closed following the procedure below, and determine the method of adjustment and repair.
TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A [C] Example of the time accuracy adjustment Step 1 Measure the loss/gain of the watch with the case back closed. Obtained loss/gain: +0.180 sec./day Step 2 Find the amount of deviation from the allowable range of loss/gain between +0.020 and +0.140 sec./day. Deviation from the allowable accuracy: +0.180 – (+0.140) = +0.040 sec./day Step 3 Remove the circuit block and adjust the accuracy.
