BOLDR Supply Co. GMT Maasai MaravsGrand Seiko SBGJ259

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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

Grand Seiko SBGJ259 at true scale

SBGJ259

Diameter

40mm

40mm

Lug-to-Lug

46mm

lowest

46.2mm

Thickness

12.6mm

lowest

14mm

Water Resistance

200m

highest

100m

Power Reserve

n/a

55h

MSRP

$469

lowest

$7,700

Movement

Seiko NH34

Grand Seiko 9S86

Case

4 specs
Thickness
12.6mm
14mm
Lug-to-Lug
46mm
46.2mm
Lug Width
20mm
19mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
n/a
Yes
Dial Color
n/a
n/a

Movement

2 specs
Caliber
Seiko NH34
Grand Seiko 9S86
Power Reserve
0h
55h

Pricing

1 specs
MSRP
$469
$7,700
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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.

Grand Seiko SBGJ259

The Grand Seiko SBGJ259 "Urban Bamboo" is noted for its striated green dial, though one owner observes the color appears more yellow in person than in official images, and another considers the dial "low-tier" for Grand Seiko. This model is considered a dressier piece within the Grand Seiko lineup. The movement is the automatic Grand Seiko 9S86, rated for accuracy between +5 and -3 seconds per day with a 55-hour power reserve. On balance, owners have mixed views on the dial's appearance, with some admiring its unique green hue and others finding it less appealing than expected.

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