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Seiko 8420-725A
Ligne: 10.5'''
The Seiko 8420-725A features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4203 | Ordinary/None | Buy staff |
| 4204 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.100 x 340 x 9.5 mm | GR4488 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| GIB/BOLT INCA 240X19 THICK | 400/1 | 180.19/INCA #11 | Buy part |
| JEWEL, INCA BALANCE 135X50X10 | 400/12 | 111.10/INCA #9 | Buy part |
| JEWEL, INCA UPPER CAP 120X27 | 400/7 | 121.11/INCA #5 | Buy part |
| JEWEL, UPPER CAP INCA 120X18 | 400/8 | 122.11/INCA #6 | Buy part |
| MAINSPRING 1.60-.10-343 | MS-711P | GR 4488 | Buy part |
| PALLET ARBOR, C/C 40-90-11 | 72S/82P | 710/ETA 866 | Buy part |
| ROLLER 180X80X36 | 82S/41R | Buy part | |
| ROLLER, 265 X 110 X 47 | 82S/48R | Buy part | |
| SAMSON MSPG. | 7053/MS | Buy part | |
| SCREW, INCA 18X50 | 400/2 | 150.11/INCA #14 | Buy part |
| SET BRIDGE | 445/1114 | Buy part | |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| SHOCK UNIT COMPLETE, LOWER | 400/33 | 100.20.10 | Buy part |
| SHOCK UNIT, UPPER | 400/21 | 100.11.300.10 | Buy part |
| STAFF, INCA | 100/1625 | Buy part | |
| STEM | 200/243F | Buy part |
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