Seiko 6R15C Manuale utente

[SPECIFICATION]

・3 Hands (Hour, minute and second hand) Movement size

・Diameter

Outside ：　φ27.4 mm

・Calendar (Date: Date disk) Casing　：　φ27.0 mm

・Height 　　　　　：　5.25 mm

PARTS LIST / TECHNICAL GUIDE

Cal.6R15C / 6R15D

Item

6R15C / 6R15D

　･Instant date setting device

　・Second hand stop function

Cal. No.

Crown

position

　Manual winding (clockwise only)

Vibrations per hour

Instantaneous rate at T0

(Fully wound condition)

　Between +25/-15 seconds per day

　(worn on the wrist at temperature-range between 5℃and 35℃)

Isochronous fault

21,600 (6 beats per second)

　Date setting (counter clockwise only )

　Time setting /Second hand stop function

Normal position

1st click position

Driving system

Automatic winding with manual winding mechanism

Additional function

±15 s/d

±10 s/d

Regulation system

Lift angle of the escapement

Daily rate

Standard rate for

measurement

9 o’clock at

the top

Dial upward

±15 s/d

±10 s/d

2nd click position

Measurement (daily

rate in seconds:s/d)

　ETACHRON system

　53°

Loss/

Gain

Testing positions

Dial upward

6 o’clock at

the top

1/18

Number of Jewels

　23 Jewels

Power reserve

　From fully wound to stoppage: Approximately 50 hours

PARTS LIST

FEATURES

SEIKO Automatic Mechanical Cal. 6R15C/D are replacement caliber of Cal. 6R15A/B.

Cal. C is provided with additional Casing spring at 8H position to set into the case for Cal. A and B.

However, Cal.D is not provided with the Casing spring at 8H position. For the movement replacement,

be careful that Cal. D is not installed to the case for Cal. A and B.

Parts difference between Cal.C and Cal.D

Parts code (depends on type)

Main plate

0104 164

0104 165

No.

Parts name

6R15C

6R15D

Oscillating weight with ball bearing

0509 400

1509 100

Center wheel and pinion

0224 203

0224 205

0224 339

0225 420

0225 426

0225 449

Fourth wheel and pinion

0241 010

0144 185

0241 382

Cal.6R15C/D

2/18

Hour wheel

0273 182

0273 184

0273 182

No.

Type

Normal

Special

Special2

Parts name

Cannon pinion

6R15C series

6R15D series

Casing spring position for A and B series

6R15A and B series

Casing spring

PARTS LIST

Type of oil

Oil quantity mark

AO-3(Moebius-A) S-6 NORMAL QUANTITY

S-4

SUFFICIENT QUANTITY

0012 354

Date dial guard screw

0808 183

Date dial maintaining plate

Date dial

0810 183

Date jumper

3/18

Cal.6R15C/D

PARTS LIST

Type of oil

Oil quantity mark

AO-3(Moebius-A) S-6 NORMAL QUANTITY

S-4

SUFFICIENT QUANTITY

Hour wheel

0962 025

*Refer to the page 2 for the each parts code Intermediate wheel for date setting E

0012 485

Guard for date corrector setting 

transmission wheel screw

0261 190

Minute wheel and pinion

0817 300

0836 183

Guard for date corrector setting

transmission wheel

0802 183

Date indicator driving wheel

0962 185

Intermediate wheel for

date setting C

Cannon pinion

*Refer to the page 2

0962 023

for the each parts code Intermediate wheel for

date setting B

0737 183

Date setting wheel

Lower shock

absorbing spring

Lower shock

absorbing cap jewel

Lower hole jewel frame

for shock-absorber

Cal.6R15C/D

4/18

53-2

53-3

53-1

Intermediate date driving

wheel and pinion

PARTS LIST

Type of oil Oil quantity mark

AO-3(Moebius-A)

S-6

NORMAL QUANTITY

S-4

SUFFICIENT QUANTITY

Oscillating weight with ball bearing

*Refer to the page 2 for the each parts code

*Refer to page 11 for setting position

0012 354

Automatic train bridge screw

0012 100

Balance cock screw

0191 183

Automatic train bridge

0514 183

0171 354

Balance cock

0012 919

Ratchet wheel screw

0285 051

Ratchet wheel

0012 354

Pallet bridge screw

0161 300

Pallet bridge

0310 185

0301 009

Balance complete Pallet fork

with stud

Upper hole jewel frame

for shock-absorber

23-3

Upper shock

absorbing spring

Upper shock absorbing

cap jewel

Cal.6R15C/D

5/18

Second reduction wheel and pinion

23-1

23-2

whole tooth

PARTS LIST

Type of oil Oil quantity mark

AO-3(Moebius-A)

S-6

NORMAL QUANTITY

S-4

SUFFICIENT QUANTITY

0012 100

0511 010

First reduction wheel

*Refer to page 10 foroiling spot Cap jeweled spring

*Refer to page 12 for

disassembling/reassembling Cap jewel

0831 183

Pawl lever

0363 184

Sliding crown wheel spring

*Refer to page 12 for

disassembling/reassembling

0114 183

Barrel and train wheel bridge

0836 002

Reduction wheel holder

0436 166

Fourth wheel and pinion 0012 354

0231 070

Third wheel and pinion

0381 004

Click

0201 164

*Refer to the page 2 for the

each parts code

Cal.6R15C/D

29-2

29-1

Barrel and train wheel bridge screw

6/18

*Refer to page 10 for oiling spot

Lower plate for barrel and train

wheel bridge screw

Barrel complete

Lower plate for barrel and train

wheel bridge

PARTS LIST

Type of oil Oil quantity mark

AO-3(Moebius-A)

S-6

NORMAL QUANTITY

S-4

SUFFICIENT QUANTITY

0012 354

Center wheel bridge screw

0122 302

Center wheel bridge

0251 300

Escape wheel and pinion

Center wheel and pinion

*Refer to the page 2 for the each parts code

0012 168

Setting lever jumper screw

0388 177

Setting lever jumper

0384 183

Yoke

0383 185

Setting lever

0601 183

Stop lever

Refer to page 11 for oiling spot

0282 183

Clutch wheel

0283 020

Winding pinion

0962 183

Date corrector setting

transmission wheel A

Winding stem

Main plate *Refer to page 11 for

disassembling

/reassembling

*Refer to the page 2 for

the each parts code

Cal.6R15C/D

7/18

*2 *3

whole tooth

PARTS LIST

●CROSS-SECTION VIEW OF THE SCREW PARTS

●LOCATION OF THE JEWELS

The correct parts for the following are determined based on the design of the cases.

Refer to "SEIKO Watch Parts Catalogue (SEIKO WATCH SERVICE SITE)"

to choose corresponding parts.

・

Holding ring for dial

・Date dial

・Winding stem

Total

23 jewels

Entry pallet jewel

○

Second reduction wheel & pinion

○

Exit pallet jewel

○

Roller jewel

○

Crown wheel

○

First reduction wheel & arbor

○

Pallet fork

○

Balance spring

○

Third wheel & pinion

○

Escape wheel & pinion

○

Hole Jewel

Cap Jewel

Hole Jewel

Cap Jewel

Forth wheel & pinion

○

Center wheel & pinion

○

Name

Cal.6R15C/D

Balance cock

screw

Pallet bridge screw

(×2)

Lower plate for

barrel and train

wheel bridge screw

Barrel and train

wheel bridge screw

(×3)

Center wheel bridge

screw

Guard for date

corrector setting

transmission

wheel screw (×2)

Parts No

Name

Parts No

Name

Parts No

8/16

Date dial guard

screw　　　　(×4)

0012 485

0012 919

Ratchet wheel screw

0012 354

Automatic train wheel

bridge screw (×2)

0012 168

Setting lever jumper

screw

(×2)

0012 100

Upper

Lower

Remarks

PARTS LIST

●　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

Cal.6R15C/D

9/16

TECHNICAL GUIDE

Type of oil Oil quantity mark

AO-3(Moebius-A)

S-6

NORMAL QUANTITY

S-4

SUFFICIENT QUANTITY

1. Oiling spot

Barrel and train wheel bridge (Top side)

Barrel and train wheel bridge (back side)

Note:

*2 After lubrication, set lower plate for barrel and train wheel bridge & screw.

Lower plate for barrel and train wheel bridge

Lower plate for barrel and train wheel bridge screw

*4 After lubrication, set First reduction wheel, Pawl lever & Reduction wheel holder.

First reduction wheel First reduction wheel

Pawl lever

Reduction wheel holder

Cal.6R15C/D

10/16

*2 *3

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