Seiko 8T67A Parts Catalogue /Technical Manual Download Page 3

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PARTS CATALOGUE

8T67A

0273 ***

Refer to page 8 for each parts code.

Hour wheel

0012 354
Switch lever holder screw

0837 005
Switch lever holder

4450 017
Switch lever A

4450 018
Switch lever B

0962 891

0962 013

3/20

Date corrector setting
transmission wheel C

Date corrector setting
transmission wheel B

Summary of Contents for 8T67A

Page 1: ...sistance 4002054 Coil block A 1 45 1 65K for chronograph 4002055 Coil block B 1 65 1 85K for time display Power Battery No SR936SW Silver oxide battery supply Battery voltage 1 55V Battery life Approx...

Page 2: ...te screw 0808 052 Date indicator maintaining plate Date indicator 0810 019 Date jumper 0806 002 Date corrector wheel Intermediate date wheel and pinion Date Indicator driving wheel 2 20 Cross section...

Page 3: ...code Hour wheel 0012 354 Switch lever holder screw 0837 005 Switch lever holder 4450 017 Switch lever A 4450 018 Switch lever B 0962 891 0962 013 3 20 8 9 11 12 14 Date corrector setting transmission...

Page 4: ...er to page 12 for 21 0585 013 spring setting position Hammer Refer to page 10 for oiling spot and page 12 for spring setting position 0894 002 Train wheel stop lever 0888 Refer to page 12 for Second c...

Page 5: ...ock screw 4002 054 Coil block A 0886 005 4146 063 Step rotor 4239 063 0701 015 Stator A Fifth wheel and pinion 5 20 38 0885 004 Hour counter intermediate wheel and pinion A 42 43 36 Counter intermedia...

Page 6: ...042 Coil block B 4146 063 Step rotor 0221 Refer to page 8 for 4239 064 each parts code Stator B 0383 891 0701 015 0384 024 Yoke 0240 Second wheel 0282 452 Refer to page 8 for Clutch wheel each parts...

Page 7: ...PARTS CATALOGUE 8T67A Tools and consumables required for disassembling reassembling Movement Holder UNIVERSAL MOVEMENT HOLDER S 682 Watch oils SEIKO watch oil AO 2 AO 3 and S 6 AO 2 AO 3 S 6 7 20...

Page 8: ...s code Hour wheel 0273 038 0273 042 Switch spring 4250 088 marking 2 4250 090 Marking 4 Second counting wheel 0888 028 0888 029 Minute counting wheel 0902 017 0902 018 Hour counting wheel 0902 017 090...

Page 9: ...A C 36 Counter intermediate wheel and pinion Nil 35 Second counter intermediate wheel and pinion D 34 Hour counter intermediate wheel and pinion B E 33 Hour counter intermediate wheel and pinion C 9...

Page 10: ...e lubrication Hammer Lower plate for chronograph bridge Note 1 Lubricate on the pointed spot 16 Switch spring Oiling spot and spring setting position are below Chronograph coupling lever Hammer operat...

Page 11: ...ch lever A and B setting position Switch spring Switch spring Switch lever B Switch lever A Hammer operating lever A Chronograph coupling lever 11 20 Setting position 19 Switch lever B is set between...

Page 12: ...trated in the drawing 1 2 Insert the battery sideways as illustrated in the drawing 2 and have the hook of the Switch Spring s Battery Clamp catch the main plate Switch spring Battery clamp 1 Removing...

Page 13: ...enter dial Minute chronograph 60 minute of the sub dial at 12h position Hour chronograph 12 hour of the sub dial at 9h position Once the chronograph hands are detached the reuse of them is not availab...

Page 14: ...ble measurement is obtained and then read the measurement 4 Make sure the read value is less than 2 7 A How to measure the current consumption for the CIRCUIT BLOCK alone 1 To measure the current cons...

Page 15: ...tance coil block Check the resistance of each coil block if they are within the range in the following table COIL BLOCK A 4002054 1 45 1 65K COIL BLOCK B 4002055 1 65 1 85K 15 20 Output terminal Hand...

Page 16: ...set by the following two methods 1 Set the crown to the normal position Method 1 2 Touch the AC terminal of circuit block and the switch spring with conductive tweezers to reset the circuit 3 The smal...

Page 17: ...h stops after a measurement for 12 hours Restart in the following procedure During the chronograph operation button B reset can be pushed There is no problem with the function Accumulated elapsed time...

Page 18: ...RESIST 10BAR 10 BAR WATER RESIST 15BAR 15 BAR WATER RESIST 20BAR 20 BAR SCUBA DIVERIS AIR DIVERIS 150 m 18 75 BAR 150 m times 0 125 SCUBA DIVERIS AIR DIVERIS 200 m 25 BAR 200 m times 0 125 He GAS DIV...

Page 19: ...other particles so as not to damage the teeth of the plastic parts while cleaning An excessive amount of oil in the movement has caused adhesive forces among the parts wringing The current consumptio...

Page 20: ...around the Clean the buttons and lubricate normally buttons is insufficient appropriately The circuit block pat tern has Adjust the circuit block pattern been broken or bent or replace the circuit bl...