Borealis Watch Co. Porto Covo Black & GoldvsGlycine 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. Porto Covo Black & Gold at true scale

Porto Covo Black & Gold

Glycine Combat Sub Box Ceramic at true scale

Combat Sub Box Ceramic

Diameter

40mm

41mm

Lug-to-Lug

42.5mm

n/a

Thickness

12.3mm

lowest

12.8mm

Water Resistance

300m

highest

200m

Power Reserve

n/a

38h

MSRP

$350

lowest

$1,800

Movement

Sellita SW200-1

Sellita SW200-1

Case

8 specs
Diameter
40mm
41mm
Thickness
12.3mm
12.75mm
Lug-to-Lug
42.5mm
n/a
Lug Width
n/a
20mm
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
None
Luminous

Movement

4 specs
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
38h
Jewels
0
26
Complications
None
Date

Pricing

1 specs
MSRP
$350
$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. Porto Covo Black & Gold

Owners widely praise the Borealis Porto Covo Black & Gold for its exceptional value, with one owner noting its "floating" indices enhance its appearance and another finding it a versatile everyday and business-casual timepiece. Reviewers highlight the striking orange Cerakote case and unique, elevated hour markers integrated into the rehaut that cast shadows and add visual depth. One owner found the black lume to be virtually non-existent. The Borealis Porto Covo Black & Gold is priced at $335.75, with one source listing it as a diver choice within a $1000 microbrand collection. On balance, owners and reviewers rate the Borealis Porto Covo Black & Gold highly for its striking design elements and value at the 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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