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Seiko Y491-500B
The Seiko Y491-500B watch movement is a self-winding movement that features an integrated column-wheel operated chronograph mechanism. This mechanism allows for precise timekeeping and accurate measurement of elapsed time. Additionally, the movement includes a date function, adding practicality to its functionality.
The Seiko Y491-500B features the following functions:
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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Documents
Parts Listing
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