Borealis Watch Co. Sea Storm MK2 GMTvsOrient AC0Q-40 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

Orient AC0Q-40 Diver at true scale

AC0Q-40 Diver

Diameter

41.5mm

39.9mm

Lug-to-Lug

48.5mm

46.5mm

lowest

Thickness

14.2mm

12.8mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

40h

MSRP

$415

$370

lowest

Movement

Seiko NH34

Orient F6722

Case

4 specs
Diameter
41.5mm
39.9mm
Thickness
14.15mm
12.8mm
Lug-to-Lug
48.5mm
46.5mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
n/a
Black
Lume
BGW9
None

Movement

7 specs
Caliber
Seiko NH34
Orient F6722
Beat Rate
0 vph
21,600 vph
Power Reserve
0h
40h
Jewels
0
22
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
Date

Pricing

1 specs
MSRP
$415
$370
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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.

Orient AC0Q-40 Diver

Owners praise the Orient AC0Q-40 Diver Watch for its value, sapphire crystal, and durable build quality, with many appreciating the 39.9mm case size for its smaller, trendy appeal and the raw steel bezel for a vintage look. The bracelet features folded end links, and while the in-house automatic Orient F6722 movement is considered a good workhorse, the watch is not ISO certified for diving, though suitable for swimming. Unless a purple dial is specifically desired, other color options are recommended. On balance, owners rate the Orient AC0Q-40 Diver Watch highly for its appealing design and value proposition in a compact package.

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