Side by side

Seiko Astron GPS Solar 2025 Limited EditionvsZelos Thresher 44

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

Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600
Thresher 44
ZelosThresher 44
MSRP $549

At a glance

15 of 29 specs differ
Diameter
Astron GPS Solar 2025 Limited Edition42mm
Thresher 4444mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
Thresher 4440h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
Thresher 44500m
MSRP
Astron GPS Solar 2025 Limited Edition$2,600
Thresher 44$549

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
44mm
Thickness
12mm
12.8mm
Lug-to-Lug
47.9mm
44mm
Lug Width
14mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
500m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Super-clear coating
Inner
Dial Color
Black
Grey
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
3X62
Miyota 9015
Type
Quartz
Automatic
Jewels
10
25

Pricing

1 specs
MSRP
$2,600
$549

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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.

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.

Zelos Thresher 44

Owners widely praise the Zelos Thresher 44, with one owner noting its finish has proven remarkably scratch-resistant. However, one owner found the finishing on their hammered grey variant not as well done as expected. The Zelos Thresher 44 with an agate dial sold out in 90 seconds, with one owner receiving theirs and noting the bracelet was fully wrapped. Overall, owners rate the Zelos Thresher 44 highly for its desirability and scratch-resistant finish.

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