Seiko 8T68A Parts Catalogue /Technical Manual Download Page 7 | Manualshive

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PARTS CATALOGUE

8T68A

●

Tools and consumables required for disassembling/reassembling

・

Movement Holder

UNIVERSAL MOVEMENT HOLDER (S-682)

・

Waich oils

SEIKO watch oil AO-2, AO-3 and S-6

AO-2

AO-3

S-6

7/19

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Summary of Contents for 8T68A

Page 1: ...umption Coil resistance 4002054 Coil block A 1 45 1 65K 4002055 Coil block B 1 65 1 85K Power Battery No SR936SW Silver oxide battery supply Battery voltage 1 55V Battery life Approximately 3 years Je...

Page 2: ...ning plate screw 0808 052 Date indicator maintaining plate Date indicator 0810 019 Date jumper 0806 002 Date corrector wheel Cross section 2 19 4 5 6 Intermediate small hour hand wheel and pinion 0817...

Page 3: ...007 Switch lever holder 4450 018 4450 017 Switch lever B Switch lever A Refer to page 12 for Refer to page 12 for setting position setting position 0962 891 0962 013 3 19 14 Date corrector setting tra...

Page 4: ...r spring setting position spring setting position 0585 015 0894 002 Hammer Train wheel stop lever Refer to page 10 for Refer to page 12 for oiling spot and page 12 spring setting position for spring s...

Page 5: ...tion 0012 354 Coil block screw 4002 054 0885 003 Coil block A 4146 063 Step rotor 0886 004 4239 063 Stator A 0886 005 0701 015 Fifth wheel and pinion 5 16 38 39 40 41 34 Minute counter intermediate wh...

Page 6: ...l Coil block screw 4283 042 4002 055 Coil block B 4146 063 Step rotor 0221 092 4239 064 Stator B 0383 891 0701 015 0384 024 Yoke 0240 019 Seconds wheel 0282 452 Clutch wheel 0962 032 0351 177 Winding...

Page 7: ...PARTS CATALOGUE 8T68A Tools and consumables required for disassembling reassembling Movement Holder UNIVERSAL MOVEMENT HOLDER S 682 Waich oils SEIKO watch oil AO 2 AO 3 and S 6 AO 2 AO 3 S 6 7 19...

Page 8: ...68A Remarks Date indicator All parts code are subject to change without notice 8 19 Color of background 3H Black 0878 329 3H White 0878 328 4 5H Parts code Crown position Date position Color of figure...

Page 9: ...nd pinion 36 Minute counter intermediate wheel and pinion A 35 32 Minute counter intermediate wheel B Seconds counter intermediate wheel and pinion Minute counter intermediate wheel C 33 34 G 32 Minut...

Page 10: ...There must be oil within the range of the arrow Lower plate for chronograph bridge Note 1 Lubricate on the pointed spot 16 Switch spring Oiling spot and spring setting position are below Chronograph c...

Page 11: ...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 12: ...ch lever A and B setting position Switch spring Switch spring Switch lever B Switch lever A Hammer operating lever A Chronograph coupling lever 12 19 Setting position 19 Switch lever B is set between...

Page 13: ...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 14: ...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 14 19 Output terminal Hand...

Page 15: ...own to the second click position Method 2 2 Press the button B for two seconds and release the button 3 Push the crown back to the normal position 4 The small second hand will move at two second inter...

Page 16: ...tops after a measurement for 60 minutes 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 17: ...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 18: ...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 19: ...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...

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