Side by side

Marloe Watch Company Motorsport 105vsGrand Seiko SBGR321

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Motorsport 105
Marloe Watch CompanyMotorsport 105
MSRP $380
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

10 of 29 specs differ
Diameter
Motorsport 10541mm
SBGR32140mm
Power Reserve
Motorsport 10540h
SBGR32172h
Water Resistance
Motorsport 105100m
SBGR321100m
MSRP
Motorsport 105$380
SBGR321$5,200

Full specifications

Case

4 specs
Category
Sport
Dress
Diameter
41mm
40mm
Thickness
11.1mm
13mm
Lug-to-Lug
46.6mm

Crystal & Dial

2 specs
Dial Color
Black
Lume
Natulite
None

Movement

3 specs
Caliber
Miyota 8N24
9S65
Power Reserve
40h
72h
Jewels
21
25

Pricing

1 specs
MSRP
$380
$5,200

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What people say

Owners + reviewers, side by side

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

Marloe Watch Company Motorsport 105

Owners widely praise the Marloe Watch Company Motorsport 105 for its creative dial design, good contrast, and British Racing Green color, with some finding it wears smaller than its 41mm size. One owner appreciates its lack of a date window and comfortable wear on a 6.5” wrist. However, some users note Marloe's 20mm lug width can make models appear top-heavy, and a significant price increase has been observed across the brand's offerings. Overall, owners rate the Marloe Watch Company Motorsport 105 highly for its distinctive dial design and comfortable wearability.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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