Glycine Men's Combat Sub Sport GMT 42mm Automatic Watch GL0380vsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited 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 Men's Combat Sub Sport GMT 42mm Automatic Watch GL0380 at true scale

Men's Combat Sub Sport GMT 42mm Automatic Watch GL0380

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition at true scale

Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

Diameter

42mm

42mm

Lug-to-Lug

n/a

48.6mm

Thickness

n/a

13.3mm

Water Resistance

200m

300m

highest

Power Reserve

n/a

72h

MSRP

$795

lowest

$1,750

Movement

Sellita SW330-2

Seiko 6R54

Case

4 specs
Thickness
n/a
13.3mm
Lug-to-Lug
n/a
48.6mm
Lug Width
n/a
20mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW330-2
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$795
$1,750
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Reviews

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

Glycine Men's Combat Sub Sport GMT 42mm Automatic Watch GL0380

Owners widely praise the Glycine Combat GMT for its value, with one owner noting its compelling specs at a price point of $500-550 USD and another calling Glycine underrated for value. The watch is considered a great travel watch, and its lume lasts longer than a Seiko SKX007's. However, the bezel action is described as too rough and scratchy, though it feels distinct and solid. One owner dislikes the magnified date window and the legibility of red date digits on a black background, with another unable to read the date under any lighting conditions. The Glycine Combat Sub Sport GMT 42mm Automatic Watch GL0380 measures 42mm x 49.5mm x 10.5mm. On balance, owners rate the Glycine Men's Combat Sub Sport GMT 42mm Automatic Watch GL0380 highly for its value proposition and travel watch utility, despite some criticisms regarding the date window and bezel action.

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition is widely praised for its excellent quality and finishing for its price, with reviewers highlighting its beautiful case, bracelet, and Lumibrite lume. Owners appreciate the comfortable 42mm case size and the 4 o'clock crown position. The watch features a sapphire crystal and uses the in-house 6R54 automatic movement with a three-day power reserve. Some reviewers note that the GMT function is secondary and that the bezel clicks are quieter than expected. The 4:30 date window splits opinion among enthusiasts, and it is described as a "caller GMT" rather than a true "traveller GMT." Overall, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition highly for its excellent value, quality finishing, and comfortable wearability.

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