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Seiko 5Y31-5A40
The Seiko 5Y31-5A40 watch movement is a quartz movement with an analog display, featuring a sweep seconds hand. It includes a moon-phase display and calendar functionality.
The Seiko 5Y31-5A40 features the following functions:
- Analog Display
- Calendar
- Moon phase Complication
- Quartz Movement
- Sweep Seconds
Balance Staff Listing
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Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
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