Side by side

Seiko Astron GPS Solar 2025 Limited EditionvsZelos Blacktip 200m GMT

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
Blacktip 200m GMT
ZelosBlacktip 200m GMT
MSRP $499

At a glance

14 of 29 specs differ
Diameter
Astron GPS Solar 2025 Limited Edition42mm
Blacktip 200m GMT41mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
Blacktip 200m GMT40h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
Blacktip 200m GMT200m
MSRP
Astron GPS Solar 2025 Limited Edition$2,600
Blacktip 200m GMT$499

Full specifications

Case

6 specs
Diameter
42mm
41mm
Thickness
12mm
13mm
Lug-to-Lug
47.9mm
41mm
Lug Width
14mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
3X62
Seiko NH34 GMT
Type
Quartz
Automatic
Jewels
10
25

Pricing

1 specs
MSRP
$2,600
$499

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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 Blacktip 200m GMT

Owners widely praise the Zelos Blacktip 200m GMT's solid bracelet construction and excellent bezel action. The watch has sold out quickly, indicating strong demand. Overall, owners rate the Zelos Blacktip 200m GMT highly for its robust build and desirable availability.

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