Islander Black Dial Automatic Diver with DLC CasevsSeiko Prospex Sea Save the Ocean Special Edition
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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.

Black Dial Automatic Diver with DLC Case

Prospex Sea Save the Ocean Special Edition
Diameter
43mm
45mm
Lug-to-Lug
46mm
lowest
47.7mm
Thickness
14mm
13.2mm
lowest
Water Resistance
200m
200m
Power Reserve
n/a
41h
MSRP
$429
lowest
$625
Movement
Seiko NH36
Seiko 4R36
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely report good value for the money in the Islander Black Dial Automatic Dive Watch with DLC Case #ISL-34, with some finding its case, crystal, and bracelet quality superior to similarly priced non-Prospex Seiko models. Some owners note a lack of "wow" factor and bracelet rattle in competing models. Overall, owners rate the Islander Black Dial Automatic Dive Watch with DLC Case #ISL-34 highly for its build quality and value proposition.
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.
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