Grand Seiko SBGA375vsWISE Mahanakorn MH110

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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.

Grand Seiko SBGA375 at true scale

SBGA375

WISE Mahanakorn MH110 at true scale

Mahanakorn MH110

Diameter

40mm

38mm

Lug-to-Lug

46.2mm

44mm

lowest

Thickness

12.5mm

n/a

Water Resistance

100m

100m

Power Reserve

72h

highest

42h

MSRP

$5,600

n/a

Movement

Grand Seiko 9R65

Miyota 9015

Case

4 specs
Diameter
40mm
38mm
Thickness
12.5mm
n/a
Lug-to-Lug
46.2mm
44mm
Lug Width
19mm
20mm

Crystal & Dial

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

Movement

3 specs
Caliber
Grand Seiko 9R65
Miyota 9015
Type
Spring Drive
Automatic
Power Reserve
72h
42h

Pricing

1 specs
MSRP
$5,600
n/a
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Reviews

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

Grand Seiko SBGA375

Grand Seiko SBGA375 owners praise its dial, Spring Drive movement, design, and finishing, with one owner mesmerized by the totality of the piece. Reviewers note the dial's legibility, even in low light, and the polished bevels on the hour markers that catch light well. One owner scuffed the bezel within a week of ownership. Some find other Grand Seiko models more appealing, and one user questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its subtle design and the engineering of its Spring Drive movement.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

WISE Mahanakorn MH110

The WISE MAHANAKORN MH110's 38mm case is praised for its ideal proportions and refined comfort, following the natural curvature of the wrist. Some community members express a preference for other brands, citing higher quality and atmosphere. On balance, owners find the WISE MAHANAKORN MH110 comfortable due to its case dimensions, though opinions on its overall standing are mixed.