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The Seiko Prospex SRPG57 is a Save the Ocean special edition dive watch built on Seiko's mainstream 4R36 automatic movement. Its draw is the dial: a die-stamped gradient that shifts from pale ice blue to deep ocean blue, patterned with penguin-footprint motifs. It is a real dive watch, ISO-rated to 200 m with a screwdown crown and caseback, a unidirectional bezel and LumiBrite hands and markers. It suits buyers who want a distinctive dial on a proven, serviceable automatic diver; rivals at this level often offer similar specs but plainer looks, while the 42.4 mm case and 13 mm-plus thickness wear large on slim wrists.
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Lowest price we've seen: $440.00 on Nov 10 at Time Square Clock Shop. Tracked across 12 stores since Nov 10.
Owners rate it highly, mostly for the dial and the dependable Prospex formula. Complaints center on size, movement accuracy and the crystal rather than the design.
The Seiko Prospex SRPG57 is an automatic diver watch from the Save the Ocean Special Edition line, which supports ocean conservation. The dial has a gradient die-stamped finish in whites and blues that reflects light bouncing off Antarctic ice, with patterns that recall penguin footprints in snow.
The stainless steel case has a screwdown crown and caseback and a Hardlex crystal. The bezel is grooved, rotates in one direction only and is used for timing elapsed time. Its design draws on classic Prospex models. The watch is water resistant to 200 meters (660 feet) under ISO standards and is suitable for scuba diving.
The watch is powered by the Caliber 4R36 automatic movement, which can also be wound by hand. It runs at 21,600 vibrations per hour, has 24 jewels and has a power reserve of approximately 41 hours. A magnified day/date calendar shows the date, and the hands and markers use LumiBrite for visibility in low light.


