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Seiko 6G34A Technical Manual

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PARTS CATALOGUE / TECHNICALGUIDE
[SPECIFICATIONS]
Cal. No.
Item
Movement
Outside diameter
Movement size
Casing diameter
(mm)
Total height
Time indication
Driving system
Additional mechanism
Original
Crown Operation
Second click
First click
Accuracy
Loss/gain
Measuring gate by quartz tester
Battery No.
Battery
Voltage
Battery life
Number of jewels
Cal. 6G34A
Main time: Hour, minute and small second hand (6H position)
● Date calendar (3H position)
● Day calendar/ Retrograde (10H position)
● 24 cities (12H)
● Second setting device
● Electronic circuit reset switch
● Free
● Date setting (turn counterclockwise)
● Tiime setting (turn clockwise to move forward and counterclockwise to move back）
Less than 20 seconds: Monthly rate at normal temperature range
6G34A
Ф23.7mm
Ф23.3mm
3.45mm
Step motor
Nil
10-second gate
SR626SW (Silver oxide battery)
1.55V
Approx. 3 years
Nil
24
18
6
12
31
20
10
60
50
10
40
20
30

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Summary of Contents for Seiko 6G34A

  • Page 1 PARTS CATALOGUE / TECHNICALGUIDE Cal. 6G34A [SPECIFICATIONS] Cal. No. 6G34A Item Movement Ф23.7mm Outside diameter Movement size Ф23.3mm Casing diameter (mm) Total height 3.45mm Time indication Main time: Hour, minute and small second hand (6H position) Driving system Step motor ●...

  • Page 2: Parts Catalogue

    PARTS CATALOGUE Cal.6G34A ⇒ Disassembling procedures Figs. Lubricating : Types of oil Oil quantity ⇒ Reassembling procedures Figs. Moebius A (AO-3) Normal quantity Moebius Ｆ (AO-2) Hour , Minute hands Small second , Date-Day calendar 24Hour hands Dial 0022 247...
  • Page 3 PARTS CATALOGUE Cal.6G34A ⇒ Disassembling procedures Figs. Lubricating : Types of oil Oil quantity ⇒ Moebius A (AO-3) Normal quantity Reassembling procedures Figs. Moebius Ｆ (AO-2) *Refer to the 7pages for the each parts code Battery 0012 168 Battery connection (+) screw...

  • Page 4: Technical Guide

    TECHNICAL GUIDE Cal.6G34A ●Discrimination of the hand installation height Cal.6G34A watch has numerals printed on the dial and the movement to indicate the installation heights. When repairing, refer to the table below. Number for Center wheel and pinion Hour wheel...
  • Page 5 TECHNICAL GUIDE Cal.6G34A ・ The explanation here is only for the particular point of Cal.6G34 1.REMARKS ON DISASSEMBLING   AND  REASSEMBLING (1)HAND ・ How to install hands Place the movement directly on a flat metal plate or the like to install the hands.
  • Page 6 TECHNICAL GUIDE Cal.6G34A (6)Setting position (Notes at the time of disassembling and a reassembling) ・ How to Date-Day driving wheels setting position Note: ・ The Date indicator finger of a Date driving wheels is setting position "○"mark of Main plate.
  • Page 7 TECHNICAL GUIDE Cal.6G34A (4)Battery ・ How to install Insert the battery aslant in the direction shown by the arrow. Check the battery connection (+) securely touches the side face of the battery. (5)Insulator Insulator Notes： To insulate between the battery connection (+) and the battery connection (-), the insulator should put at the three pin securely as bellow.
  • Page 8 TECHNICAL GUIDE Cal.6G34A Ⅰ. Remarks on disassembling and assembling (1)Winding stem ・ How to remove While pushing the indented portion of the arrow pull out the winding stem. Push (2)Battery ・ How to install Insert the battery aslant in the direction shown by the arrow.
  • Page 9 TECHNICAL GUIDE Cal.6G34A Ⅱ. VALUE CHECKING Contact OUT 1 & OUT 2 ● Coil block resistance (see illustation below) (see illustration below) 1.7 - 1.9 µO For the whole movement Less than 1.88 µA ● Current consumption circuit For the circuit block alone Contact VDD(+) &...