AETHELSOHN Horizon GMT AutomaticvsBremont 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.
Horizon GMT Automatic
Supermarine 300M
Diameter
38mm
40mm
Lug-to-Lug
45.5mm
n/a
Thickness
13.3mm
12mm
lowest
Water Resistance
200m
300m
highest
MSRP
$245
lowest
$3,550
Movement
Seiko NH34
Bremont BE-92AE
Case
6 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 AETHELSOHN Horizon GMT Automatic Watch for its excellent price-to-quality ratio and handsome blue sunburst dial with applied indices. Reviewers note the good case finishing, while some owners find the 38mm case wears nicely. One owner flags that the on-the-fly adjustment on the bracelet can be stiff, and the second hand can get lost against the dial. Overall, owners and reviewers rate the AETHELSOHN Horizon GMT Automatic Watch highly for its stunning dial and excellent value.
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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