Bremont S302vsSynchron Poseidon Ice Diver
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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.

S302

Poseidon Ice Diver
Diameter
40mm
42mm
Lug-to-Lug
n/a
45mm
Thickness
13mm
12.5mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
68h
MSRP
$3,900
n/a
Movement
Bremont BE-92AE
La Joux-Perret G100
Case
5 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Synchron Poseidon Ice Diver for its value and wearability, with many noting its balanced feel and comfortable Isofrane strap, even on smaller wrists. The La Joux-Perret G100 automatic movement is consistently highlighted for its smooth winding and accuracy, with one owner reporting -4 seconds per day. The 120-click bezel action is well-regarded, and the watch is considered a good value at its price point. Overall, owners rate the Synchron Poseidon Ice Diver highly for its comfortable wearability and reliable Swiss movement at an accessible price.
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