BERNY Compressor-style Diver V4 AM439MSvsBremont 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.

BERNY Compressor-style Diver V4 AM439MS at true scale

Compressor-style Diver V4 AM439MS

Bremont Supermarine 300M at true scale

Supermarine 300M

Diameter

42mm

40mm

Lug-to-Lug

49mm

n/a

Thickness

13.5mm

12mm

lowest

Water Resistance

200m

300m

highest

MSRP

$154

lowest

$3,550

Movement

Miyota 8215

Bremont BE-92AE

Case

7 specs
Diameter
42mm
40mm
Thickness
13.5mm
12mm
Lug-to-Lug
49mm
n/a
Lug Width
22mm
20mm
Material
Stainless Steel
904L Stainless Steel
Water Resistance
200m
300m
Caseback
Exhibition
n/a

Crystal & Dial

1 specs
Dial Color
n/a
Green

Movement

2 specs
Caliber
Miyota 8215
Bremont BE-92AE
Power Reserve
n/a
0h

Pricing

1 specs
MSRP
$154
$3,550
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Reviews

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

BERNY Compressor-style Diver V4 AM439MS

The BERNY BERNY-Men Automatic Compressor-style Diver Watch V4-AM439MS is praised for its solid build, comfortable wear, and great lume, with owners specifically noting the exceptional anti-reflective coating on its sapphire crystals, which some feel surpasses that on watches from Citizen and San Martin. The watch features a Miyota 8215 automatic movement, 200m water resistance, and a 42mm case, with one owner highlighting the second crown's function for controlling the inner bezel. It was purchased for as low as $70 on AliExpress. Overall, owners rate the BERNY BERNY-Men Automatic Compressor-style Diver Watch V4-AM439MS highly for its impressive build quality and visual appeal at its price point.

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.