Boderry Seaturtle.Ocean DivervsBremont S302

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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.

Seaturtle.Ocean Diver

S302
Diameter
40mm
40mm
Thickness
12.5mm
lowest
13mm
Water Resistance
100m
300m
highest
MSRP
$249
lowest
$3,900
Movement
Seiko NH35
Bremont BE-92AE
Case
5 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Boderry SEATURTLE.OCEAN - Automatic Diver Watch (NH35 movement) for its exceptional value, citing its original design, sapphire crystal, and thin 11.7mm profile for an NH35 movement. One owner reports an accuracy of -1 second per day, while another notes the titanium case and 100m water resistance are well-executed. Some owners report issues with the NH35 movement stopping, though others have had no problems with the brand. A rattling sound, noted by some owners, is considered normal for the NH35 movement and is deemed acceptable given the low price point. Overall, owners rate the Boderry SEATURTLE.OCEAN - Automatic Diver Watch (NH35 movement) highly for its impressive feature set and design at its price point.
The Bremont S302 is widely praised for its balanced 40mm proportions and legible matte dial, featuring attractive tan accents. Reviewers note its satisfying bezel action and comfortable lug design, with one owner highlighting its scratch-resistant case as a true tool watch feature. However, some find the GMT bezel's integration a compromise and note potential alignment issues with the GMT hand and bezel that may require service. The watch is priced at £3,700 / over $4,000, with some considering its ETA movement high for the cost compared to competitors. On balance, owners and reviewers appreciate the Bremont S302 for its handsome, functional dive GMT design and wearability, despite some reservations about its GMT functionality and value proposition.
The Bremont S302 features 300m water resistance and a GMT complication. Reviewers noted potential quality control and design issues, along with bracelet problems.
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