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Seiko A639-502A
The Seiko A639-502A watch movement is a self-winding movement with a rhodium-plated finish. It is based on the ETA 2000-1 movement. The movement has a power reserve of approximately 42 hours.
The Seiko A639-502A features the following functions:
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
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