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)
53 Main plate
0104 164
0104 165
No.
Parts name
6R15C
6R15D
16 Oscillating weight with ball bearing
0509 400
1509 100
43 Center wheel and pinion
0224 203
0224 205
0224 339
0225 420
0225 426
0225 449
36 Fourth wheel and pinion
0241 010
0144 185
0241 382
15
Cal.6R15C/D
2/18
11 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
