Seiko Prospex Sumo SPB101J1 Automatic Watch Review

Seiko Prospex Sumo Automatic Diver SPB101J1

Seiko Prospex Sumo Automatic Diver SPB101J1

The Seiko SPB101J1 (SBDC083 ), also known as the Seiko Sumo, is perhaps one of the greatest entry-level sports watches and one of the better built-in Seikos line-up for the money. In 2019 Seiko finally updated their Sumo models giving them a slightly different and refined look, but perhaps most important an in-house improved movement Caliber 6R35.

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