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Seiko Y143-502A
The Seiko Y143-502A features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CANNON PINION | 240/2055 | 31.080/CAI 81 | Buy part |
| CELL STRAP | X/13651 | 10-20.763/FP 820 | Buy part |
| CIRCUIT | X/13648 | 10-20.550/FP 820 | Buy part |
| CLUTCH WHEEL | 407/1355 | 10-31.121/FP 820 | Buy part |
| COIL BLOCK | X/13650 | 10-20.590.1/FP 820 | Buy part |
| HOUR WHEEL | 250/1795 | 10-31.046/FP 820 | Buy part |
| INTERMEDIATE WHEEL | M/4719 | 30.012/CAI 81 | Buy part |
| MINUTE WHEEL | 260/1420 | 10-30.080/FP 820 | Buy part |
| ROTOR | X/13649 | 10-20.580.1/FP 820 | Buy part |
| SCREW, SET LEVER | 5443/1364 | Buy part | |
| SET BRIDGE | 445/1516 | 6.20-51.050 | Buy part |
| SET LEVER | 443/1779 | 10-51.080/FP 820 | Buy part |
| SET WHEEL | 450/1338 | 10-31.100/FP 820 | Buy part |
| STEM TAP 10 | 401/1313 | 10-51.0100 | Buy part |
| THIRD WHEEL | 210/1689 | 10-30.025/FP 820 | Buy part |
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