Maystone Watch Co Prosperity GMTvsYema Navygraf Marine Nationale 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.

Maystone Watch Co Prosperity GMT at true scale

Prosperity GMT

Yema Navygraf Marine Nationale GMT at true scale

Navygraf Marine Nationale GMT

Diameter

38mm

38.5mm

Lug-to-Lug

46mm

n/a

Thickness

11.9mm

lowest

12mm

Water Resistance

100m

300m

highest

Power Reserve

41h

42h

highest

MSRP

$443

lowest

$1,084

Movement

Seiko NH34

YEMA3000

Case

5 specs
Diameter
38mm
38.5mm
Thickness
11.9mm
12mm
Lug-to-Lug
46mm
n/a
Lug Width
20mm
n/a
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Red
n/a
Lume
string
None

Movement

2 specs
Caliber
Seiko NH34
YEMA3000
Power Reserve
41h
42h

Pricing

1 specs
MSRP
$443
$1,084
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Reviews

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

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.

Yema Navygraf Marine Nationale GMT

Owners widely praise the Yema Navygraf Marine Nationale GMT for its attractive 38.5mm case design, pleasing navy blue and yellow color combination, and comfortable wearability. The clean, non-clicking GMT function is noted as straightforward, and the watch is described as a functional instrument with a serious appearance. Accuracy figures vary, with one owner reporting regulation within -/+10 seconds per day, while another notes smooth and beautiful running. Concerns are raised about the branded clasp feeling flimsy and rattly, and one owner experienced an issue with the crown threading within a month. The prominent Marine Nationale logo is considered dominant by one reviewer. Overall, owners rate the Yema Navygraf Marine Nationale GMT highly for its attractive design and comfortable wearability at its price point.