Seiko 5Y19A Technical Manual Download

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PARTS LIST

Cal. 5Y19A

3/12

Please see the remarks on the following pages.
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.

13 DAy StAR

1002 546

12 24-HOuR HAND WHEEL

0157 543

14 DAtE cORREctOR WHEEL

0804 570

15 INtERMEDIAtE DAtE WHEEL

0817 539

16 HOuR WHEEL GuARD ScREW

0022 222

17 HOuR WHEEL GuARD

0376 506

18 DAtE cORREctOR SEttING WHEEL

0737 909

19 SEcOND INtERMEDIAtE WHEEL fOR

DAtE SEttING

0962 909

20 HOuR WHEEL

0271 563

Summary of Contents for 5Y19A

Page 1: ...ttery life Approximately 3 years Jewels 0 jewels Step motor Load compensated driving pulse type Day calendar Instant date setting divice Date calendar Electronic circuit reset switch Train wheel setting device 24 hour indicator 3 hands hour minute and second hands Diameter Outside ø 24 0 mm 21 5 mm between 3 o clock and 9 o clock sides 21 5 mm between 6 o clock and 12 o clock sides Casing ø 23 3 m...

Page 2: ... 1 44 Reassembling procedures Figs 44 1 AO 3 AO 2 SEIKO Watch Oil S 6 Normal quantity Large quantity Lubricating Types of oil Oil quantity 2 Hour minute and second hands 5 Date hand 6 Dial 7 Calendar mechanism plate screw 0022 222 8 Calendar mechanism plate 0839 509 9 Date star 0970 538 10 Day driving wheel 0802 535 11 Date driving wheel 0802 570 1 Case ring 3 Day hand 4 24 hour hand ...

Page 3: ...SSEMBLING AND REASSEMBLING 13 Day STAR 1002 546 12 24 hour hand wheel 0157 543 14 Date CORRECTOR wheel 0804 570 15 INTERMEDIATE DATE wheel 0817 539 16 HOUR wheel guard screw 0022 222 17 HOUR WHEEL guard 0376 506 18 DATE CORRECTOR SETTING wheel 0737 909 19 SECOND Intermediate wheel for DATE SETTING 0962 909 20 HOUR WHEEL 0271 563 ...

Page 4: ... on the following pages Lubricating of some parts is shown in II REMARKS ON DISASSEMBLING AND REASSEMBLING 21 Battery SR920SW 22 Battery connection screw 0022 247 23 Battery connection 4000 760 24 CIRCUIT block 4000 760 25 TRAIN WHEEL BRIDGE 0125 904 ...

Page 5: ... 28 Fifth wheel pinion 0701 904 30 Minute wheel 0261 908 31 Train wheel setting lever 0391 890 32 Setting lever 0383 891 33 Yoke 0384 890 Please see the remarks on the following pages Lubricating of some parts is shown in II REMARKS ON DISASSEMBLING AND REASSEMBLING 29 STEP ROTOR 4146 890 ...

Page 6: ...AND REASSEMBLING 34 Setting wheel 0281 904 35 Setting stem 0351 892 37 1st intermediate wheel for calendar correction 0962 890 39 Coil block 4002 760 41 Center wheel and pinion 0221 575 43 Battery connection 4270 904 36 Clutch wheel 0282 890 38 Coil block screw 0022 247 40 Rotor stator 4239 904 42 Insulator 4216 904 44 Main Plate 0100 959 ...

Page 7: ...IST Cal 5Y19A 7 12 l Tools and consumables required for disassembling reassembling Movement holder UNIVERSAL MOVEMENT HOLDER S 682 Watch oils SEIKO watch oils AO 3 and AO 2 AO 3 AO 2 S 6 SEIKO watch grease S 6 ...

Page 8: ...der the pipe of the hand and then remove the hand How to install the dial and the hands 1 Pull out the crown to the second click position Turn the crown until the date and subsequently the day of the week change Make sure the completion of the date and the day of the week change set the dial 2 Install the date hand and the day hand in order 3 Turn the crown further until just after the date change...

Page 9: ...eel so that its claw b is in the area of Marker B on the hour wheel gurard Claw b 11 Date driving wheel Set the date driving wheel so that its claw a is touching Marker A on the main plate Marker A Claw a 13 DAY STAR 14 Date CORRECTOR wheel 15 INTERMEDIATE DATE wheel 9 Date star 9 DATE STAR 15 INTERMEDIATE DATE WHEEL 12 2 4 h o u r hand wheel Marker B ...

Page 10: ...TTING LEVER Lubricate as shown in the illustration below 18 Date corrector setting wheel 20 hour wheel 19 SECOND INTERMEDIATE WHEEL FOR DATE SETTING Set the hour wheel so that any of its eight teeth is in alignment hollow of the Marker C on the main plate Marker C Edge of the Teeth 18 DATE CORRECTOR SETTING WHEEL 20 HOUR WHEEL Lubricate as shown in the illustration below before installing the date...

Page 11: ...TECHNICAL GUIDE Cal 5Y19A 11 12 39 MAIN PLATE Lubrication 33 SETTING STEM Lubrication AO 3 AO 2 ...

Page 12: ...irt dust or chips are adhere to the movement The driving pulse is generated due to the excessive load to the wheels The oil is deteriorated leaked or ran out Measure the current consumption for the circuit block alone If the result is within the standard range overhaul and clean the movement parts and then measure the cur rent consumption for the whole movement again The date or day hand dose not ...

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