BOLDR Supply Co. GMT Maasai MaravsSeiko Prospex Land Mechanical 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.

BOLDR Supply Co. GMT Maasai Mara at true scale

GMT Maasai Mara

Seiko Prospex Land Mechanical GMT at true scale

Prospex Land Mechanical GMT

Diameter

40mm

39.5mm

Lug-to-Lug

46mm

lowest

46.4mm

Thickness

12.6mm

lowest

13.6mm

Water Resistance

200m

200m

Power Reserve

n/a

72h

MSRP

$469

lowest

$1,150

Movement

Seiko NH34

Seiko 6R54

Case

3 specs
Diameter
40mm
39.5mm
Thickness
12.6mm
13.6mm
Lug-to-Lug
46mm
46.4mm

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Seiko NH34
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$469
$1,150
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Reviews

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

BOLDR Supply Co. GMT Maasai Mara

Owners widely praise the BOLDR Supply Co. GMT Maasai Mara for its accessible GMT complication and the value it offers at its price point, with reviewers highlighting its 40mm stainless-steel case, unique California dial, and 200m water resistance as suitable for everyday wear and travel. Some owners appreciate its less polished case finish and a dial that feels less cluttered than alternatives, while others note its titanium construction contributes to a lightweight feel. One owner expresses curiosity about the long-term performance of the Seiko NH34 movement. On balance, owners and reviewers rate the BOLDR Supply Co. GMT Maasai Mara highly for its practical GMT functionality and appealing design at an accessible price.

Seiko Prospex Land Mechanical GMT

Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of the 6117 design, its attractive gray dial, and comfortable bracelet. Reviewers highlight its handsome everyday sports watch appeal and classic Seiko diver aesthetics. However, community members are split on the value proposition, with many deeming it overpriced at $970, suggesting a better price point around $700 or on sale. Some owners criticize the 6R54 movement's accuracy, reporting deviations of up to +/- 20 seconds per day, and prefer a local jumping GMT function over the caller style. On balance, owners and reviewers appreciate the Seiko Prospex Land Mechanical GMT's design and wearability, but opinions are divided on its price and movement performance relative to alternatives.

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