Seiko Prospex Sea Save the Ocean Special EditionvsTornek-Rayville TR Type 7B Blakjak
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Prospex Sea Save the Ocean Special Edition

TR Type 7B Blakjak
Diameter
45mm
42.5mm
Lug-to-Lug
47.7mm
lowest
49mm
Thickness
13.2mm
13.2mm
Water Resistance
200m
200m
Power Reserve
41h
42h
highest
MSRP
$625
lowest
$895
Movement
Seiko 4R36
Seiko NH36
Case
2 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its exceptional and unique dial designs, often described as a highlight with wave patterns, lagoon hues, or even manta rays, offering a "Grand Seiko feel" at a regular Seiko price. Owners and reviewers consistently note the attractive color combinations and textured appearances, making it a standout feature. The watch is generally considered solidly built and good value, with satisfactory lume and smooth bezel operation. However, the bracelet and clasp are frequently criticized as underwhelming, rattly, and lacking a convenient diver's extension, a common complaint across several Seiko models. Some owners also express a desire for exhibition casebacks or note potential quality control issues such as misaligned bezels or day/date wheels. Overall, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its visually striking and unique dial designs at an accessible price point.
The Tornek-Rayville TR Type 7B Blakjak is praised as a "killer piece" by owners, with its 42.5mm stainless steel case, DLC-coated bezel, and matte black dial featuring 12- and 24-hour scales. It is equipped with a reliable Seiko NH36 automatic movement and offers 200m water resistance. On balance, owners and reviewers rate the Tornek-Rayville TR Type 7B Blakjak highly for its robust military-inspired design and value.
The watch's military-inspired dial and caseback markings are a strong point. The 45mm case size is a weakness.
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