Bremont Supermarine 300MvsKnot Watches AT1-40SSV

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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

Knot Watches AT1-40SSV at true scale

AT1-40SSV

Diameter

40mm

40mm

Thickness

12mm

11mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

42h

MSRP

$3,550

$869

lowest

Movement

Bremont BE-92AE

Miyota 9015

Case

4 specs
Thickness
12mm
11mm
Lug Width
20mm
n/a
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Green
n/a

Movement

2 specs
Caliber
Bremont BE-92AE
Miyota 9015
Power Reserve
0h
42h

Pricing

1 specs
MSRP
$3,550
$869
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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.

Knot Watches AT1-40SSV

Owners widely praise the Knot Watches AT1-40SSV for its solid build quality, clean aesthetic, and good finish, with the small seconds hand accurately hitting its markers. The 40mm case size is generally considered good, though one owner felt it wore "a tad on the small side." Opinions on the included straps are divided, with some appreciating their unique Japanese fabrics and leathers and finding them soft and ready-to-wear, while others express disappointment with their quality and note they can be stiff initially. One owner also flagged the small crown as a nitpick due to its low placement. Overall, owners rate the Knot Watches AT1-40SSV highly for its overall quality and finish at the price point.

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