Side by side

Lorier Hyperion SII SkywardvsSeiko Astron GPS Solar 2025 Limited Edition

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

Hyperion SII Skyward
LorierHyperion SII Skyward
MSRP $599
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

13 of 29 specs differ
Diameter
Hyperion SII Skyward39mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Hyperion SII Skyward40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Hyperion SII Skyward200m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Hyperion SII Skyward$599
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

6 specs
Diameter
39mm
42mm
Thickness
12mm
Lug-to-Lug
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Super-clear coating
Dial Color
Skyward
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
3X62
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$599
$2,600

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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.

Seiko Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is widely praised for its advanced GPS time and date adjustment capabilities, powered by light to eliminate battery changes. Owners and reviewers highlight its impressive accuracy and the convenience of automatic time zone updates, with some specifically commending the wearability of the 39mm size and its clean, simple design. However, reception of the GPS signal requires an unobstructed view of the sky, and manual time zone adjustments are necessary for Daylight Saving Time on some variants. One owner notes a slight imperfection in chapter ring alignment on the 39mm model. On balance, owners and reviewers rate the Seiko Astron GPS Solar 2025 Limited Edition highly for its satellite-powered timekeeping and improved wearability in the 39mm configuration.

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