Glycine Combat SubvsMarin Instruments Steel Skin-Diver P (Polar)

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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.

Glycine Combat Sub at true scale

Combat Sub

Marin Instruments Steel Skin-Diver P (Polar) at true scale

Steel Skin-Diver P (Polar)

Diameter

42mm

39mm

Thickness

10.4mm

n/a

Water Resistance

200m

200m

Power Reserve

38h

n/a

MSRP

$515

lowest

$1,295

Movement

Sellita SW200-1

Sellita SW200-1

Case

7 specs
Diameter
42mm
39mm
Thickness
10.45mm
n/a
Lug-to-Lug
n/a
n/a
Lug Width
22mm
n/a
Material
Stainless Steel
n/a
Finish
n/a
n/a
Caseback
n/a
n/a

Crystal & Dial

6 specs
Crystal
Sapphire
n/a
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
Black
White / Polar
Indices
n/a
n/a
Lume
Luminous
None

Movement

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

Pricing

1 specs
MSRP
$515
$1,295
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Reviews

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

Glycine Combat Sub

Owners widely praise the Glycine Combat Sub for its exceptional thinness, with sources noting case thicknesses around 10.4mm to 10.8mm, perfect proportions, and a refined aesthetic that avoids homage designs. Many highlight its significant value, especially at discounted prices, and its solid build quality. Some owners report an inconsistent power reserve and sub-par lume that can be difficult to read at night, while one owner noted a slightly off-color lume pip on the chapter ring. Overall, owners rate the Glycine Combat Sub highly for its blend of wearability and value.

From video reviewers

The Glycine Combat Sub offers good value at its price point, with reviewers highlighting its attractive design and comfortable wear. However, multiple reviewers noted areas where cost-saving measures are apparent in the build quality.

Marin Instruments Steel Skin-Diver P (Polar)

Owners widely praise the Marin Instruments Steel Skin-Diver P (Polar) for its appealing design language and comfortable wearability, with many calling it a great do-it-all watch. Reviewers highlight its legible dial, smooth-action bezel, and practical, utilitarian design. Some owners find the 39mm case size perfect and appreciate the 20mm lugs for strap versatility. The watch features drilled lugs for easy strap changes and a Sellita SW200-1 movement that kept good time, running at approximately +5 seconds per day in testing. However, some find the steel bezel and dial color combination unremarkable, and one owner noted the lume was merely okay compared to other brands. The $1,295 price for the stainless steel bezel version was considered a significant con by one owner, while another found it well-priced. The 39mm case, while 11.5mm thin, wears larger due to its long lugs, and thicker straps can make it feel bulky.

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