Description
Named Sumo by Seiko fans - because of its size and shape and the 12 o'clock marker, this watch comes with a sturdy and no-nonsense profile. Solar-powered, the watch charges from natural and electric light. The silicone strap combines style, high durability and comfort - a strap design invented by Seiko as a practical solution to the expansion and contraction of a diver's wrist at different depths.
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