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Seiko 7550A
Ligne: 12'''
The Seiko 7550A watch movement incorporates shock protection, an automatic winding mechanism, and sweep seconds functionality.
The Seiko 7550A features the following functions:
- Automatic Winding
- Shock Protection
- Sweep Seconds
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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