description Seiko Prospex SPB157 Overview
The Seiko Prospex SPB157 is an automatic dive watch showcasing Japanese engineering. It features a robust 6R35 movement offering reliable timekeeping and a chronograph function. The sapphire crystal provides excellent scratch resistance while the refined details reflect Seiko’s Grand Seiko heritage. This toolwatch is suitable for discerning men who appreciate classic design and durable performance, particularly those seeking a dependable everyday watch or an entry point into high-quality Japanese watches.
help Seiko Prospex SPB157 FAQ
What movement is inside the Seiko Prospex SPB157?
The Seiko Prospex SPB157 is powered by the robust 6R35 automatic movement, which is manufactured entirely in-house by Seiko. This mechanical movement offers a power reserve of approximately 70 hours when fully wound. It provides highly reliable timekeeping for a serious dive watch.
Does the Seiko Prospex SPB157 feature a chronograph function?
No, the SPB157 is a standard three-hand automatic dive watch that features a day and date complication, rather than a stopwatch chronograph. It focuses strictly on core timekeeping and diving utilities. The Prospex line is specifically designed for professional sports and underwater exploration.
What size is the case on the Seiko SPB157?
The Seiko Prospex SPB157 features a 40.5mm stainless steel case, which is slightly smaller and more wearable than the previous generation of Seiko Sumo dive watches. This refined size allows it to sit very comfortably on a wide variety of wrist sizes. The sapphire crystal provides excellent scratch resistance.
What is the water resistance rating of the Seiko SPB157?
As an automatic dive watch showcasing Japanese engineering, the SPB157 boasts a robust water resistance rating of 200 meters (20 BAR). It also features a screw-down crown and a unidirectional rotating bezel for tracking dive times. This makes it fully suitable for recreational scuba diving.
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