Aquastar Benthos HeritagevsBremont Supermarine 300M

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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.

Benthos Heritage

Supermarine 300M
Diameter
42mm
40mm
Lug-to-Lug
47mm
n/a
Thickness
n/a
12mm
Water Resistance
500m
highest
300m
MSRP
n/a
$3,550
Movement
Sellita SW200-1
Bremont BE-92AE
Case
6 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Aquastar Benthos Heritage for its fantastic looks, vintage charm, and excellent lume on the dial and ceramic bezel. Reviewers note its robust build and comfortable wearability, with one owner highlighting the brilliant cushion case and sunburst finish. The 42mm case wears comfortably despite its heft, and the watch offers excellent legibility. However, some owners find its 16mm thickness excessive and a potential wearability issue, while others consider the 500m WR designation superfluous given its 200m rating. On balance, owners and reviewers rate the Aquastar Benthos Heritage highly for its vintage aesthetics and strong lume at a good price.
The Bremont Supermarine 300M is praised for its comfortable 40mm case, which some owners find wears well even on smaller wrists due to its lug design, outperforming some 40mm watches. One forum contributor notes the 40mm case is relatively compact for a 300m diver and is priced at $1375. A reviewer found the 40mm case comfortable. On balance, owners and reviewers appreciate the Bremont Supermarine 300M's wearable 40mm case size and comfortable wearability.
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