Glycine Combat Sub Sport GMT BronzevsMaystone Watch Co Prosperity 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 Bronze at true scale

Combat Sub Sport GMT Bronze

Maystone Watch Co Prosperity GMT at true scale

Prosperity GMT

Diameter

42mm

38mm

Lug-to-Lug

n/a

46mm

Thickness

12mm

11.9mm

lowest

Water Resistance

200m

highest

100m

Power Reserve

48h

highest

41h

MSRP

$795

$443

lowest

Movement

Sellita SW330-2

Seiko NH34

Case

8 specs
Diameter
42mm
38mm
Thickness
12mm
11.9mm
Lug-to-Lug
n/a
46mm
Lug Width
22mm
20mm
Material
Bronze
Stainless Steel
Finish
n/a
n/a
Water Resistance
200m
100m
Caseback
n/a
n/a

Crystal & Dial

5 specs
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
Blue
Red
Indices
n/a
n/a
Lume
Luminous
string

Movement

5 specs
Caliber
Sellita SW330-2
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
41h
Jewels
25
0
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$795
$443
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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 Bronze

Owners praise the Glycine Combat Sub Sport GMT Bronze for its exceptional thinness and unique aesthetic, noting its remarkable value when found discounted. However, some owners report sub-par lume that is difficult to read at night and an inconsistent power reserve that may not reach the advertised 42 hours. One owner found it difficult to match straps with the bronze dial and noted that seawater exposure caused rapid, undesirable patina, suggesting avoidance of bronze divers for ocean use. On balance, owners value the Glycine Combat Sub Sport GMT Bronze for its thin profile and aesthetic uniqueness, despite concerns about lume and power reserve consistency.

Maystone Watch Co Prosperity GMT

Owners praise the Maystone Prosperity GMT for its rich brown dial, gold-tone accents, and dual-time functionality, noting the two-tone bracelet and crown offer balanced flair. The brand's assembly in England and design ethos embodying prosperity, clarity, and resilience are also appreciated. One owner describes the Maystone Prosperity Golden Eagle GMT as an elegant, affordable GMT inspired by bird of prey colors, stating it exceeded expectations. On balance, owners rate the Maystone Prosperity GMT highly for its attractive design and dual-time functionality at an accessible price point.