
The Seiko Ice Diver (ref. spb175j1) is an automatic diver watch, with a 45mm case, 12.9mm thick, powered by the 6R35 movement and a 70-hour power reserve. Water resistance is rated to 200m, under a sapphire crystal. Manufacturer MSRP is $900.
Owners widely praise the Seiko Prospex Sea for its robust build, classic dive watch design, and excellent value, with many highlighting its strong lume and comfortable wearability. Reviewers consistently flag its superior bezel action and overall finishing as standout features for its price point. Some owners find the 43mm case size substantial, with one noting it felt big, thick, and heavy on a 6.5-inch wrist, though others consider it a perfect size. The movement's power reserve is noted as less than newer variants by one reviewer. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and robust build at an accessible price.