Glycine Combat SubvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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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

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition at true scale

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

Diameter

42mm

42.7mm

Lug-to-Lug

n/a

46.4mm

Thickness

10.4mm

lowest

13.2mm

Water Resistance

200m

200m

Power Reserve

38h

70h

highest

MSRP

$515

lowest

$1,350

Movement

Sellita SW200-1

Seiko 6R35

Case

6 specs
Diameter
42mm
42.7mm
Thickness
10.45mm
13.2mm
Lug-to-Lug
n/a
46.4mm
Lug Width
22mm
20mm
Finish
n/a
n/a
Caseback
n/a
n/a

Crystal & Dial

5 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Black
n/a
Indices
n/a
n/a
Lume
Luminous
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW200-1
Seiko 6R35
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
70h
Jewels
26
24
Complications
Date
None

Pricing

1 specs
MSRP
$515
$1,350
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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.

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition for its beautiful design and refinement over prior models, with its glacier-inspired textured dial being a particular highlight. However, a significant portion of the community finds the €1500 RRP to be too high, suggesting a price point closer to €900-€1000, and note the use of an aluminum bezel insert. Some owners report that the 6R movement runs slow. On balance, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition highly for its aesthetic refinement, though the price point is a notable concern for the community.

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