Borealis Watch Co. Sea Storm MK2 GMTvsCWC E9 Automatic Diver

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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.

Borealis Watch Co. Sea Storm MK2 GMT at true scale

Sea Storm MK2 GMT

CWC E9 Automatic Diver at true scale

E9 Automatic Diver

Diameter

41.5mm

41mm

Lug-to-Lug

48.5mm

47mm

lowest

Thickness

14.2mm

n/a

Water Resistance

300m

300m

MSRP

$415

lowest

$1,391

Movement

Seiko NH34

Sellita SW200-1

Case

3 specs
Diameter
41.5mm
41mm
Thickness
14.15mm
n/a
Lug-to-Lug
48.5mm
47mm

Crystal & Dial

2 specs
Dial Color
n/a
CWC E9 Automatic Diver Watch (SF300-E9 AS120)
Lume
BGW9
Super-LumiNova

Movement

1 specs
Caliber
Seiko NH34
Sellita SW200-1

Pricing

1 specs
MSRP
$415
$1,391
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Reviews

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

Borealis Watch Co. Sea Storm MK2 GMT

The Borealis Sea Storm MK2 GMT is noted for its retro aesthetic, featuring modern components, a black and white bezel, and an orange GMT hand. Owners highlight its ample lume and a well-made bracelet. The watch is described as being a relatively thick, yet surprisingly wearable, 41.5mm case size, with a date window that integrates smoothly into the dial. Overall, owners rate the Borealis Sea Storm MK2 GMT highly for its retro vibe and modern execution at its price point.

CWC E9 Automatic Diver

Owners widely praise the CWC E9 Automatic Diver Watch for its military-spec toughness and satisfyingly easy-to-wind crown, with one owner calling it a perfect reissue. The watch is noted for its legibility and significant wrist presence, enhanced by its unique "Jolly Roger" dial design. Some critics find the CWC E9 Automatic Diver Watch overpriced for its mineral crystal and 60-click bezel, and its luminous paint is noted as low glow. Overall, owners rate the CWC E9 Automatic Diver Watch highly for its military heritage and durability as a beater watch.

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