Side by side

Lorier Hyperion SII SkywardvsGrand Seiko SLGA015

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

Hyperion SII Skyward
LorierHyperion SII Skyward
MSRP $599
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

12 of 29 specs differ
Diameter
Hyperion SII Skyward39mm
SLGA01543.8mm
Power Reserve
Hyperion SII Skyward40h
SLGA015120h
Water Resistance
Hyperion SII Skyward200m
SLGA015200m
MSRP
Hyperion SII Skyward$599
SLGA015$12,600

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39mm
43.8mm
Thickness
13.8mm
Lug-to-Lug
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Skyward
Black

Movement

3 specs
Caliber
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$599
$12,600

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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.

Lorier Hyperion SII Skyward

Owners widely praise the Lorier Hyperion SII Skyward for its comfortable, thin, and light wearability, with one owner noting a perfect case width and another highlighting its 10.7mm thickness. The bi-directional GMT bezel is described as decent for its price, and the movement is considered fine and accurate, making it a low-key travel watch. The bracelet is also noted as well-made and finished for the price. On balance, owners rate the Lorier Hyperion SII Skyward highly for its comfortable wearability and value as a mechanical GMT.

Grand Seiko SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

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