Seiko Sumo Black SBDC031 ($390obo)




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Reddit feedback for


8A8B15 has received 18 feedback from other users on Reddit, of which 18 (100%) was positive and 0 (0%) was negative.

Recent feedback

DisparateDan 1 year ago

/u/8A8B15 is STILL a great seller

jam-karet 2 years ago

u/8A8B15 is good to go

its-just-schwa 2 years ago

u/8A8B15 is a great seller!

phohunna 2 years ago

u/8A8B15 was an easy seller, shipped fast and item was as described.

This_Is_A_Not_Me 2 years ago

Quick and easy transaction with u/8A8B15

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Price Guide for a Related Model

Seiko Prospex Sumo (SBDC031)

Power Reserve: 50 hours

Water Resistance: 200 meters

Case Diameter: 53 mm

Market Average


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The Seiko Prospex Sumo (SBDC031) is a watch model from the Seiko brand and Prospex collection. The average price of a Seiko SBDC031 on the private sales market is $418, while you can expect to pay $493 from a gray market dealer.

Price Distribution
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