The Prospex line of watches from Seiko are very popular among watch collectors and watch enthusiasts, mostly for their rugged designs, durability, high build quality and reliability. Seiko watches are known for their high standards, which is why Seiko has been a part of the Marine Chronometer contests, where it has won many awards.

Seiko was among the first watch manufacturers to use the Automatic movement, making it a pioneer in this field. Seiko watches are rated highly by professional and amateur watch reviewers. The Seiko Prospex SPB147 is a popular and highly rated watch in the Seiko Prospex line. It is rated highly by both professional watch reviewers and amateurs, which makes the SPB147 one of the best watches around.