Seiko Prospex Sea Save the Ocean Special EditionvsWhitby Watch Co. Ad Mare Dive Watch
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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

Ad Mare Dive Watch
Diameter
45mm
44mm
Lug-to-Lug
47.7mm
lowest
50.8mm
Thickness
13.2mm
lowest
14mm
Water Resistance
200m
200m
Power Reserve
41h
highest
38h
MSRP
$625
$550
lowest
Movement
Seiko 4R36
Sellita SW200-1
Case
3 specsCrystal & Dial
3 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.
Owners widely praise the Whitby Watch Co. Ad Mare Dive Watch as a solid dive watch for its price, with multiple users calling it the best deal under $600 and one rating it 8.5 out of 10. Reviewers note its substantial feel, quality construction, and crisp dial with applied indices, powered by a Sellita SW200-1 automatic movement. Some owners find the 44mm case size to be a comfortable daily wear, with one mentioning the sanded texture of the titanium variant keeps it light. Drawbacks noted by one owner include the absence of a date wheel. Overall, owners and reviewers rate the Whitby Watch Co. Ad Mare Dive Watch highly for its value and build quality at its price point.
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