Borealis Watch Co. Sea Storm MK2 GMTvsGlycine Combat Sub Box Ceramic

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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

Glycine Combat Sub Box Ceramic at true scale

Combat Sub Box Ceramic

Diameter

41.5mm

41mm

Lug-to-Lug

48.5mm

n/a

Thickness

14.2mm

12.8mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

38h

MSRP

$415

lowest

$1,800

Movement

Seiko NH34

Sellita SW200-1

Case

7 specs
Diameter
41.5mm
41mm
Thickness
14.15mm
12.75mm
Lug-to-Lug
48.5mm
n/a
Material
Stainless Steel
Ceramic
Finish
n/a
n/a
Water Resistance
300m
200m
Caseback
n/a
n/a

Crystal & Dial

5 specs
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
n/a
Grey
Indices
n/a
n/a
Lume
BGW9
Luminous

Movement

5 specs
Caliber
Seiko NH34
Sellita SW200-1
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
38h
Jewels
0
26
Complications
None
Date

Pricing

1 specs
MSRP
$415
$1,800
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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.

Glycine Combat Sub Box Ceramic

Owners widely praise the Glycine Combat Sub Box Ceramic for its exceptional thinness, comfortable 41mm case, and unique, non-homage design, with one owner calling it the best dive watch under $400 due to superior finishing and value. The bezel action is described as solid and precise, and the dial is legible with good lume on the hands. However, multiple sources flag inconsistent power reserve, sub-par lume on the markers that fades quickly, and a subpar stock strap or bracelet. One owner reported the bezel detaching after a light bump, raising questions about build quality, while others note potential issues with the stem or anti-reflective coating. Accuracy figures vary, with one owner seeing it run about 2.5 seconds fast per day. Overall, owners rate the Glycine Combat Sub Box Ceramic highly for its comfortable thin case and unique design at its price point.

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