(JP¥6,500)
+HK$76.41 Shipping fee
+HK$16.14 Service fee
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津島
5/52
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No noticeable scratches or marks
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Japan
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This popular item, a long seller at MoMA (Museum of Modern Art, New York), is the somewhat mysterious "Perpetual Calendar." "Perpetual" means "permanent." The bars with the numbers 1-31 are magnetic, and you move the magnetic spheres to display the date. The month is displayed by a black sphere that levitates due to magnetic attraction.
4 days ago