
The Seiko Prospex Sea (ref. srpl11) is an automatic diver watch, with a 41.7mm stainless steel case, 12.3mm thick, powered by the 4R35 movement and a 41-hour power reserve. Water resistance is rated to 200m, under a hardlex crystal. Manufacturer MSRP is $595.
Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.