Seiko 4R35B Quick start guide

PARTS LIST / TECHNICAL GUIDE

Automatic Cal.4R35B／4R36A

[SPECIFICATION]

(The below figs. are for Cal.4R36A)

　Driving　system

Automatic winding with manual winding mechanism

・3 hands (Hour, Minute and

・3 hands (Hour, Minute and Second

Time indication Second hands) hands)

・Date indication

・Day and Date indication

・Instant date setting device ・Instant date setting device

Additional function

・Second hand stop function ・Instant day setting device

・Second hand stop function

Crown Date setting (counterclockwise)

Date setting (counterclockwise),

operation Day setting (clockwise)

Vibration per hour

21,600 (6 beats per second)

Between +45 and -35 seconds per day

(worn on the wrist at temperature range between 5°C and 35°C)

Loss/Gain Instantaneous rate at T0 Isochronous fault

（Fully would condition)

Testing　positions

Dial upward

6 o'clock 9 o'clock

Dial upward

at the top at the top

Measurement

(Daily rate in

±　20 s/d ±　30 s/d ±　30 s/d 　±30 s/d

　　seconds：s/d）

Regulation system ETACHRON system

Lift angle of the escapement 53°

　Power　reserve

Continuous operating time From fully wound to stoppage: Approximately 41 hours

Number of Jewels

1/18

1st click

4R35B

4R36A

23 Jewels

24 Jewels

Daily Rate

Cal. No.

4R35B/4R36A

Item

Normal position

Manual winding (clockwise only)

Standard rate

for measurement

2nd click

Time setting (Hour and Minute) / Second hand stop function

・3 Hands (Hour, Minute and Second hands)

・Day and Date indication

Movement Size

・Diameter Outside ：φ27.4 mm

Casing ：φ27.0 mm

・Height ：5.32 mm

FEATURES

SEIKO Automatic Mechanical Cal.4R35B is replacement caliber of Cal.4R35A.

Construction of B series are the same as A series, but using new parts.

Since the size of the movement is same as A series, the complete movement can be assembled

into the watches which originally have the A series movement; however, as the parts are not

convertible, please use the appropriate parts for each caliber.

REMARKS：　Parts Differences Between 4R35A series and B series

Parts Name Cal. 4R35A Cal. 4R35B

DATE DIAL GUARD SCREW 0016 705 0012 354

6 DATE DIAL GUARD 0808 060 0808 183

8 DATE JUMPER 0810 030 0810 183

GUARD FOR DAY-DATE CORRECTOR SETTING

TRANSMISSIOIN WHEEL SCREW

0012 354 0012 485

GUARD FOR DAY-DATE CORRECTOR SETTING

TRANSMISSIOIN WHEEL

0836 010 0836 183

INTERMEDIATE WHEEL FOR DATE SETTING C 0962 024 0962 185

14 DATE CORRECTOR SETTING WHEEL 0737 300 0737 183

15 HOUR WHEEL 0271 483 0273 182

16 MINUTE WHEEL 0261 006 0261 183

DATE INDICATOR DRIVING WHEEL 0802 300 0802 183

22 AUTOMATIC TRAIN BRIDGE 0191 032 0191 183

SECOND REDUCTION WHEEL AND PINION 0514 010 0514 183

BARREL AND TRAIN WHEEL BRIDGE 0114 348 0114 183

33 SLIDING CROWN WHEEL SPRING 0363 156 0363 183

35 PAWL LEVER 0831 077 0831 183

BARREL COMPLETE 0201 267 0201 083

CENTER WHEEL WITH CANNON PINION 0224 086 0224 183

48 SETTING LEVER JUMPER 0388 071 0388 177

49 YOKE 0384 061 0384 183

50 SETTING LEVER 0383 060 0383 183

51 STOP LEVER 0601 010 0601 183

53 CLUTCH WHEEL 0282 040 0282 183

56 MAIN PLATE 0100 493 0104 164

2/18

PARTS LIST

Cal. 4R35B / 4R36A

[ CALENDAR MECHANISM 1　]

Snap for day star with dial disk

0963 300

Day star with dial disk

*Parts 2 , 3 and 4 are only Refer to page 8 for each parts code

used in Cal. 4R36A.

Day-date corrector wheel

0989 070

Date dial guard screw

0016/0012 ***

Date dial guard

0808 ***

Date dial

Refer to page 8 for each parts code

Date jumper

0810 ***

3/18

PARTS LIST

Cal. 4R35B / 4R36A

Types of oil Oil quantity

AO-3 (Moebius A) Liberal quantity

SEIKO Watch Oil S-6 Normal quantity

SEIKO Watch Oil S-4

[ CALENDAR MECHANISM 2　]

Hour wheel

0271/0273 *** 9

0962 025

10 Guard for day-date corrector

16 Minute wheel and pinion setting transmission wheel

261 *** screw 0012 ***

17 Intermediate date driving

wheel and pinion Guard for day-date corrector

0817 300 setting transmission wheel

0836 ***

Date indicator driving wheel

0802 *** 12

0962 ***

Cannon pinion

0962 023

Date corrector setting wheel

0737 ***

Dial holding spacer

4408 172

0014 577

0011 220

0014 295

4/18

PARTS LIST

Cal. 4R35B / 4R36A

Intermediate wheel for date setting

Lower shock

absorbing

27-1

Intermediate wheel

for date setting B

Intermediate wheel

for date setting C

0225 414

27-1

Lower shock

absorbing cap jewel

27-1

Lower hole jewel frame

for shock-absorber

Types of oil

AO-3 (Moebius A)

SEIKO Watch Oil S-6

SEIKO Watch Oil S-4

*1 *2

[ BALANCE AND ESCAPEMENT]

Oscillating weight

Refer to page 8 for parts code.

Refer to page 13 for setting position.

21 Automatic train bridge screw

26 Balance cock screw 0012 354

0012 100 22 Automatic train bridge

0191 ***

Second reduction wheel and

pinion

27 Balance cock 0514 ***

0171 353

24 Ratchet wheel screw

0012 919

Ratchet wheel

0285 051

28 Pallet bridge screw

0012 354

Pallet bridge

27-1 0161 300

30 Pallet fork

0301 009

Upper shock

absorbing cap jewel

Upper hole jewel

frame for shock-absorber

5/18

PARTS LIST

Cal. 4R35B / 4R36A

27-4

0310 197

27-2

Upper shock absorbing spring

27-3

Balance complete

with stud

whole tooth

Types of oil

AO-3 (Moebius A)

SEIKO Watch Oil S-6

SEIKO Watch Oil S-4

[ WINDING MECHANISM]

Barrel and train wheel

36 First reduction wheel 31 bridge screw

0511 010 0012 100

Refer to page 9 for oiling spot

Refer to page 12 for disassembling/reassembling

32-1

Cap jewelled spring

0015 703

Cap jewel

Pawl lever

0011 221

0831 *** Sliding crown wheel spring

33 0363 ***

Refer to page 13 for disassembling

/reassembling

32 Barrel and train

wheel bridge

0114 ***

Refer to page 11 for oiling spot

Reduction wheel holder

0836 002 0436 164

Fourth wheel and pinion 0012 354

40 Third wheel and pinion

0231 070

Click

0381 004

42 Barrel complete

0201 ***

6/18

0241 010

32-2

PARTS LIST

Cal. 4R35B / 4R36A

Lower plate for barrel and

train

Lower plate for barrel and

train

Types of oil

AO-3 (Moebius A)

SEIKO Watch Oil S-6

SEIKO Watch Oil S-4

[SETTING MECHANISM]

43 Center wheel bridge screw

0012 354

44 Center wheel bridge

0122 302

45 Escape wheel and pinion

0251 300

46 Center wheel and pinion

0224 ***

47 Setting lever jumper screw

0012 168

Setting lever jumper

0388 ***

49 Yoke

0384 ***

Setting lever

0383 ***

51 Stop lever

0601 ***

Refer to page 12 for oiling spot

Clutch wheel

0282 ***

Winding pinion

0283 020

Day-Date corrector

setting transmission

Winding stem

0351 200

Refer to Page 12

Main plate

for disassembling.

0100/0104 ***

7/18

Cal.4R35B/4R36A

wheel A

PARTS LIST

0962 183

*1*1

whole tooth

Types of oil

AO-3 (Moebius A)

SEIKO Watch Oil S-6

SEIKO Watch Oil S-4

REMARKS

●How to find the correct parts, if not determined by 4 digit caliber number

Following parts are determined based on the design of watches, such as hands height, dial color

and design of cases. Please refer to the SEIKO WATCH PARTS CATALOGUE in order to choose

corresponding parts.

1OSCILLATING WEIGHT 050 ***

The type of OSCILLATING WEIGHT is determined based on the design of cases. Check the case

number and refer to the "SEIKO WATCH PARTS CATALOGUE" to choose the corresponding

OSCILLATING WEIGHT.

3DAY STAR WITH DIAL DISK (Cal.4R36)

The above DAY STAR WITH DIAL DISK is used when both the crown and the day frame are located

at 3 o'clock. When ordering any other type of the DAY STAR WITH DIAL DISKs, cleary mention the

the number printed on the disk.

DATE DIAL (Cal.4R35B / 4R36A) 0878 ***

The type of DATE DIAL is determined based on the design of cases. Check the case number and refer

to the "SEIKO WATCH PARTS CATALOGUE" to choose corresponding DATE DIAL.

52 WINDING STEM 0351***

The type of Winding Stem is determined based on the design of cases. Check the case number and

refer to "SEIKO WATCH PARTS CATALOGUE" to choose corresponding Winding Stem.

8/18

Blue

SUN

Red

0160 242

MON～FRI

Black

White

SAT

PARTS LIST

Cal. 4R35B / 4R36A

Parts code

Crown

position

Date

position

Color of figure

Color of

background

●How to identify the parts

Wheel

Screws

●LOCATION OF THE JEWELS

Barrel complete

9/18

Total

Cal. 4R35B: 23 jewels/Cal. 4R36A: 24jewels

Entry pallet jewel

○

Exit pallet jewel

○

Roller jewel

○

Second reduction wheel & pinion

○

First reduction wheel & arbor

○

Crown wheel

○

Balance spring

○

○(for Cal.4R36A)

Pallet fork

○

Escape wheel & pinion

○

Third wheel & pinion

○

Forth wheel & pinion

○

Cap Jewel

Center wheel & pinion

○

4R35B

0273 182

Hour wheel

4R36

0273 183

Cal.

Parts code

Lower plate for

barrel and train

wheel bridge screw

Barrel and train

wheel bridge screw

(×3)

Center wheel bridge

screw

Parts form

Parts No

Name

Parts No

Name

0012 485

Guard for day-date

corrector setting

transmission

wheel screw (×2)

Date dial guard

screw　　　　(×4)

0012 354

Upper

Lower

Hole Jewel

Cap Jewel

Hole Jewel

PARTS LIST

Cal. 4R35B / 4R36A

Parts No

Name

0012 919

Ratchet wheel

screw

Automatic train wheel

bridge screw (×2)

Pallet bridge screw

(×2)

0012 168

Setting lever

jumper screw

(×2)

0012 100

Balance cock

screw

●　Tools and consumables required for disassembling/reassembling

●Movement holder

UNIVERSAL MOVEMENT HOLDER

(S-682)

●Watch oils

SEIKO Watch grease S-6 and S-4. Watch oil AO-3 (or Moebius A)

S-6 AO-3

S-4

10/18

PARTS LIST

Cal. 4R35B / 4R36A

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