Glycine Combat Sub Sport GMTvsJack Mason Strat-o-timer GMT

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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 Sport GMT at true scale

Combat Sub Sport GMT

Jack Mason Strat-o-timer GMT at true scale

Strat-o-timer GMT

Diameter

42mm

40mm

Lug-to-Lug

n/a

47mm

Thickness

10.8mm

lowest

13.2mm

Water Resistance

200m

200m

Power Reserve

48h

highest

42h

MSRP

$805

lowest

$1,099

Movement

Sellita SW330-2

Miyota 9075

Case

6 specs
Diameter
42mm
40mm
Thickness
10.85mm
13.2mm
Lug-to-Lug
n/a
47mm
Lug Width
22mm
20mm
Finish
n/a
n/a
Caseback
n/a
n/a

Crystal & Dial

5 specs
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
Blue
n/a
Indices
n/a
n/a
Lume
Luminous
None

Movement

5 specs
Caliber
Sellita SW330-2
Miyota 9075
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
42h
Jewels
25
0
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$805
$1,099
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Reviews

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

Glycine Combat Sub Sport GMT

Owners widely praise the Glycine Combat Sub Sport GMT for its solid build, comfortable wearability due to its thin profile and curved lugs, and its unique, non-homage design. Reviewers and owners alike note the excellent bezel action and the value proposition. Some owners miss the heft of other models and point out that the cyclops is not as refined as on other luxury dive watches. One owner reports the movement can be regulated to under +1 second per day, while another notes inconsistent power reserve performance, not always reaching 42 hours, and sub-par lume. Overall, owners rate the Glycine Combat Sub Sport GMT highly for its comfortable wearability and unique design at the price.

From video reviewers

The watch offers a compelling value proposition, especially when discounted. Cost-saving measures are evident in certain areas of the build.

Jack Mason Strat-o-timer GMT

Owners and reviewers widely praise the Jack Mason Strat-o-timer GMT for its excellent value and impressive fit and finish, particularly noting the quality of the 7-link bracelet and the scratch-resistant sapphire bezel insert. The watch is recognized for offering a true traveler's GMT complication with the Miyota 9075 movement at a competitive price point, with many appreciating its comfortable 40mm tonneau case and vintage styling. Some owners find the hour markers to be a bit chunky, and one user noted slightly scratchy crown operation. Overall, owners rate the Jack Mason Strat-o-timer GMT highly for its exceptional value and build quality at its price point.

From video reviewers

The Miyota 9075 true GMT movement is a consistent strength. Reviewers noted the exceptional lightness and comfort due to Grade 2 titanium construction. Opinions on whether further refinements are needed were not shared.

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