Seiko SII NE57A Japan Made Automatic Movement, 12 Ligne, 4 Hands, Power-Reserve
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Centre power reserve, date
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Duration time: more than 41 hours
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21,6000 vibrations per hour (3Hz)
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Stop second device
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29 jewels
Seiko SII NE57A Japan Made Automatic Movement, 12 Ligne, 4 Hands, Power-Reserve