Lorier Hyperion SIIvsGrand Seiko SBGM245

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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.

Lorier Hyperion SII at true scale

Hyperion SII

Grand Seiko SBGM245 at true scale

SBGM245

Diameter

39mm

40.5mm

Lug-to-Lug

n/a

48.6mm

Thickness

n/a

14.4mm

Water Resistance

200m

200m

Power Reserve

n/a

72h

MSRP

$699

lowest

$6,100

Movement

Automatic

Grand Seiko 9S66

Case

3 specs
Diameter
39mm
40.5mm
Thickness
n/a
14.4mm
Lug-to-Lug
n/a
48.6mm

Crystal & Dial

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

Movement

2 specs
Caliber
n/a
Grand Seiko 9S66
Power Reserve
0h
72h

Pricing

1 specs
MSRP
$699
$6,100
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Reviews

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

Lorier Hyperion SII

Owners widely praise the Lorier Hyperion SII for its vintage aesthetic, with specific mentions of the glossy black dial and tasteful text. The finishing on the case is also highlighted as excellent, and the bracelet is found to be comfortable. One owner notes the Miyota 9075 movement as a standout feature for a GMT watch under $800. However, drawbacks include the Hesalite crystal, which can warp the view at the dial's edge and scratches easily, and the GMT hand is described as small and difficult to spot. One user also reported the winding action as not smooth with significant crown resistance. Overall, owners and reviewers rate the Lorier Hyperion SII highly for its vintage charm and value, particularly for its GMT functionality and case finishing.

From video reviewers

The GMT functionality is a key strength. The Miyota 9075 movement's 42-hour power reserve is a drawback. Reviewers disagreed on the value proposition at the price point.

Grand Seiko SBGM245

Owners widely praise the Grand Seiko SBGM245 as a compelling mechanical GMT, blending sport and luxury with notable workmanship. Some owners find its 40.5mm case size and 14.4mm thickness wearable, while others consider it too large and prefer slimmer alternatives. The polished surfaces are noted to scratch easily, suggesting it is best suited for dressier occasions. Accuracy figures vary, with one owner reporting an average gain of two seconds per day, while others express a desire for a thinner case and a clasp with quick extension. Overall, owners rate the Grand Seiko SBGM245 highly for its mechanical GMT functionality and craftsmanship, despite some reservations about its size and scratch resistance.

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