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Seiko 4206-0420
The Seiko 4206-0420 is a self-winding movement with a date function that is based on the JLC 920 ebauche. It is an automatic movement without a second hand, offering a calendar feature.
The Seiko 4206-0420 features the following functions:
- Automatic Winding
- Calendar
- Without Second Hand
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CLUTCH | 407/PP 28-255 | 407/PP 28-255 | Buy part |
| MAINSPRING | 770/PP 28-255 | 770/PP 28-255 | Buy part |
| SET WHEEL | 450/PP 28-255C | Buy part | |
| STEM | 401/PP 28-255C | 401/PP 28-255C | Buy part |
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