Bremont Supermarine 300MvsElliot Brown Beachmaster Automatic 0H0-A01-B07

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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.

Supermarine 300M

Beachmaster Automatic 0H0-A01-B07
Diameter
40mm
40mm
Thickness
12mm
lowest
14mm
Water Resistance
300m
300m
Power Reserve
n/a
56h
MSRP
$3,550
$2,820
lowest
Movement
Bremont BE-92AE
Sellita SW330-2
Case
4 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 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.
Elliot Brown BEACHMASTER AUTOMATIC 0H0-A01-B07 is noted for its rugged, no-nonsense tool watch design and robust build. Owners found the dial lume lackluster, possibly due to vintage-inspired Super-LumiNova. The 40mm case wears prominently due to its rectangular profile and lug design, and some owners report the crowns are undersized, requiring careful adjustment. Overall, owners rate the Elliot Brown BEACHMASTER AUTOMATIC 0H0-A01-B07 highly for its robust tool watch build, despite some caveats regarding wearability and lume.
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