Bremont Supermarine 300MvsUnimatic Modello Due U2-BN

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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

Modello Due U2-BN
Diameter
40mm
38.5mm
Thickness
12mm
n/a
Water Resistance
300m
300m
MSRP
$3,550
$690
lowest
Movement
Bremont BE-92AE
Seiko NH35
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.
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.
Owners widely praise the Unimatic Modello Due U2-BN's stark brutalist design and finishing, with one owner finding the 38.5mm case "just chunky enough" for their frame. However, some owners report the flat lugs make the 38.5mm case wear bulkier than its diameter suggests, and one owner questions the value of the Seiko NH35 movement at the price point. On balance, owners and reviewers find the Unimatic Modello Due U2-BN to be a fair value, appreciated for its appealing design and finishing.
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