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Seiko 4420A
Lift Angle: 49°
The Seiko 4420A 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) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| JEWEL, INC#56 LOWER CAP 110X14 | 400/1620 | 922.11/922.41 | Buy part |
| JEWEL, INCA BALANCE 122X38X10 | 400/1619 | 911.10/INCA #71 | Buy part |
| JEWEL, INCA BALANCE 135X50X10 | 400/12 | 111.10/INCA #9 | Buy part |
| JEWEL, UPPER CAP INCA 120X18 | 400/8 | 122.11/INCA #6 | Buy part |
| LOWER UNIT | 906.20.10 | Buy part | |
| SHOCK SPRING, LOWER INCABLOC | 400/1621 | 975.03/INCA #48 | Buy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| UPPER UNIT | 180.22.360.10 | Buy part |
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