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Seiko 4N20-5219
Base: Seiko 4N20A
The Seiko 4N20-5219 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 |
|---|---|---|---|
| CENTER WHEEL | 0221048 | 201/1243 | Buy part |
| CROWN, YEL W/BLACK STONE C-YE | 6M25Z1NNGB | Buy part | |
| GASKET, CASEBACK | 0H1900B01 (use 0E190BA1S) | 0H1900B01 | Buy part |
| GASKET, STEM & CROWN | DZ0040B01 | G283-705 | Buy part |
| HOUR WHEEL, HT .90 | 0271463 | 250/1773 | Buy part |
| MAIN PLATE, PLASTIC | 0100109 | M/4652 | Buy part |
| SET LEVER | 0383053 | 443/1767 | Buy part |
| SPRING BAR | A130AS | STL-79 | Buy part |
| STEM, F/THREAD 12MM T13 | 0351155 | 401/1270 | Buy part |
| TRAIN WHEEL BRIDGE | 0125192 | M/4552 | Buy part |
| TRAIN WHEEL BRIDGE 4N00D | 0125288 | Buy part |
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