Table of Contents
Advertisement
PARTS CATALOGUE / TECHNICAL GUIDE
[SPECIFICATIONS]
Item
Movement
Movement
size
Time indication
Driving system
Additional mechanism
Loss/gain
Regulation system
Measuring gate by quartz tester
Jewels
Revision: 2008.4
Cal. 4F32A, 8F32A
Cal. 8F33A, 8F35A
PARTS CA TALOGUE / TECHNICAL GUIDE (p. 1 – 22)
CATÁLOGO DE PARTES / GUÍA TÉCNICA (p. 23 – 44)
Cal. No.
Outside diameter
Casing diameter
Including the
Height
(
)
battery portion
.
Battery No
Voltage
Battery life
4F32A
8F32A
The illustrations refer to Cal. 8F32A.
ø18.5 mm
ø26.4 mm
17.7 mm x
25.6 mm x 25.6 mm
18.5 mm
ø18.5 mm
ø26.4 mm
17.1 mm x
24.8 mm x 24.8 mm
18.5 mm
3.9 mm
4.3 mm
3 hands (hour, minute and second hands)
• Step motor (for hour, minute and second hands)
• Ultrasonic motor (for calendar indication)
• Calendar (Leap year indication, month and date)
Perpetual calendar up to February 28, 2100
• Train wheel setting device
• Electronic circuit reset switch
• Battery life indicator
• Day calendar (Cal. 8F33A)
• Instant calendar (day) setting device (Cal. 8F33A)
Annual rate at normal temperature range: less than 20 seconds
Logical regulation (Pattern cutting system: 3 steps)
Use 10-second gate.
SEIKO BR2412
SEIKO CR1612
3.0 V
Approx. 10 years
Approx. 5 years
4 jewels
(Revised: 2008 Apr.)
8F33A
8F35A
(x 1.0)
Approx. 8 years
1
Advertisement
Table of Contents
Related Manuals for Seiko 4F32A
Summary of Contents for Seiko 4F32A
- Page 1 PARTS CATALOGUE / TECHNICAL GUIDE Cal. 4F32A, 8F32A Cal. 8F33A, 8F35A PARTS CA TALOGUE / TECHNICAL GUIDE (p. 1 – 22) CATÁLOGO DE PARTES / GUÍA TÉCNICA (p. 23 – 44) (Revised: 2008 Apr.) [SPECIFICATIONS] Cal. No. 4F32A 8F32A 8F33A...
- Page 2 PARTS CATALOGUE Cal. 4F32A, 8F32A, 8F33A, 8F35A → Disassembling procedures Figs. : ← Reassembling procedures Figs. : Lubricating: Types of oil Oil quantity Moebius A Normal quantity Moebius F Ex. : Cal. 8F32A Note for Cal. 8F32A and 8F35A: Battery...
- Page 3 Yoke guard 0391 115 Train wheel setting lever 4239 115 Rotor stator 0261 115 (Cal. 4F32A, 8F32A and 8F33A) 0261 046 (Cal. 8F35A) Minute wheel and pinion 0383 115 (Cal. 4F32A) 0383 116 (Cal. 8F32A, 8F33A and 8F35A) Setting lever...
- Page 4 0802 115 1019 115 Date driving wheel 24-hour wheel 0802 115 Date driving wheel * Cal. 4F32A, 8F32A and 8F35A do not use the parts 3 , 4 , 31 and 37 . Please see the remarks on the following pages.
- Page 5 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. Day star with dial disk (Only for Cal. 8F33A)
- Page 6 White Black 8F33A 8F35A 0878 301 4 o’clock White Black The type of date dial is determined based on the design of cases. Check the case number and refer to “SEIKO Casing Parts Catalogue” to choose a corresponding date dial.
- Page 7 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”. STRUCTURE OF THE CIRCUIT BLOCK [ Cal.
- Page 8 Check that the pins of the movement holder are securely set to the corresponding holes of the movement. [ Movement holder 4F3-T for the dial side of Cal. 4F32A movement ] Hole to set the pin [ Movement holder 8F3-T for the dial side of Cal. 8F32A, 8F33A and 8F35A movements ]...
- Page 9 Battery It is highly recommended that the exclusive tool (S-912) be used for removing installing the battery, resetting the built-in IC or inputting the calendar data. Contact SEIKO SERVICE CENTER to purchase this exclusive tool. S-912 Insulator for battery (A) 1.
- Page 10 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.
- Page 11 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.
- Page 12 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.
- Page 13 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.
- Page 14 TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A Procedure of inputting the calendar data Pull out the crown all the way to the second click. 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”...
- Page 15 TECHNICAL GUIDE 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.
- Page 16 TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A 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 ] [ Cal. 8F32A, 8F33A and 8F35A ]...
- Page 17 TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A 15 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...
- Page 18 TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A 32 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.
- Page 19 • Setting position Date driving wheel (For Cal. 4F32A, 8F32A and 8F35A) 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.
- Page 20 TECHNICAL GUIDE Cal. 4F32A, 8F32A, 8F33A, 8F35A III. VALUE CHECKING Coil block resistance 3.6 KΩ ~ 4.0 KΩ Measuring the coil block resistance Measure the resistance with the coil block installed on the main plate. 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.
- Page 21 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.
- Page 22 【Supplement】 Time accuracy adjustment by crown operation (Only recommended to the Service Centers of SEIKO Affiliates and Distributors) Although time accuracy is normally adjusted by pattern cutting (P.21), in case it cannot be adjusted within the standard accuracy by this method, please adjust by the crown operation which is shown below:...
- Page 23 • Use a quartz tester QT-2100 that can measure a loss/gain up to 0.001 sec./day. Tips on repairing The following are the troubleshooting guide for the problems particular to Cal. 4F32A, 8F32A, 8F33A and 8F35A. Problem...
- Page 24 Tips on repairing the perpetual calendar (4F,8F Series) • Be aware that incorrectly-input calendar data will cause a wrong calendar display. • For troubleshooting problems with the calendar, refer to the table below. Symptoms Problems Solutions Reference p.9.10,11 • The calendar does •...
Need help?
Do you have a question about the 4F32A and is the answer not in the manual?
Questions and answers