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Seiko 5Y91-504AY
The Seiko 5Y91-504AY watch movement features a chronograph function, allowing for precise measurements of elapsed time. It also incorporates a calendar function to display the date. Furthermore, it incorporates a moon-phase display, providing an accurate representation of the current phase of the moon.
The Seiko 5Y91-504AY features the following functions:
- Calendar
- Chronograph Movement
- Moon phase Complication
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.110 x 320 x 9.5 mm | GR3699 | Manual | Buy mainspring |
| 1.40 x 0.110 x 300 x 9.0 mm | GR3698 | Manual | Buy mainspring |
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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