Bremont Supermarine 300MvsDuxot Atlantica Diver Automatic

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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.

Bremont Supermarine 300M at true scale

Supermarine 300M

Duxot Atlantica Diver Automatic at true scale

Atlantica Diver Automatic

Diameter

40mm

42mm

Lug-to-Lug

n/a

50mm

Thickness

12mm

lowest

13mm

Water Resistance

300m

highest

200m

MSRP

$3,550

$280

lowest

Movement

Bremont BE-92AE

Seiko NH35

Case

7 specs
Diameter
40mm
42mm
Thickness
12mm
13mm
Lug-to-Lug
n/a
50mm
Lug Width
20mm
n/a
Material
904L Stainless Steel
Stainless Steel
Finish
n/a
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Green
Black

Movement

3 specs
Caliber
Bremont BE-92AE
Seiko NH35
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$3,550
$280
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Bremont Supermarine 300M

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.

Duxot Atlantica Diver Automatic

Owners widely praise the Duxot Atlantica Diver Automatic as a beautiful and happy purchase, with many finding it a useful daily wearer. Reviewers and owners consistently note well-aligned bezel markings and adequate lume, along with a Seiko NH35 automatic movement. However, the bezel is described as stiff to rotate, and the stamped bracelet with pin links is frequently flagged as jangly, flimsy, and uncomfortable. Accuracy varies, with one owner reporting a loss of about 12 seconds per day. On balance, owners and reviewers rate the Duxot Atlantica Diver Automatic highly for its value and aesthetic appeal, despite noted comfort issues with the bracelet.

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