Side by side

Hamilton Khaki Aviation X-Wind GMT Chrono QuartzvsSeiko Astron GPS Solar 2026 Limited Edition

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

What people say

Owners + reviewers, side by side

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

Hamilton Khaki Aviation X-Wind GMT Chrono Quartz

Owners praise the Hamilton Khaki Aviation X-Wind GMT Chrono Quartz for its sturdy build, 100-meter water resistance, and screw-down crown, with one owner noting outstanding fit, finish, and quality. The dial design is described as meticulous, featuring raised, brushed stainless steel indices and a downward-pointing triangle. However, some owners find the watch big and chunky, and its specific GMT and chronograph features are considered by some to be of limited practical use. Lume is described as good but not amazing, and the AR coating on the sapphire crystal is decent. Accuracy figures vary, with one owner reporting the watch gained 6 seconds in its first few days of wear. Overall, owners rate the Hamilton Khaki Aviation X-Wind GMT Chrono Quartz as a dependable and well-built travel watch, particularly for its robust construction and detailed dial design.

Seiko Astron GPS Solar 2026 Limited Edition

The Seiko Astron GPS Solar 2026 Limited Edition is noted for its advanced GPS timekeeping that automatically updates time and date via satellite signals, powered by light to eliminate battery changes. Owners appreciate its design and texture, and the legible dial despite its complexity, with one owner preferring its less overloaded appearance over other Astron models. However, the GPS function requires a clear outdoor line-of-sight to the sky for reception, which can be an issue indoors or in dense urban environments, and DST is not implemented. The watch is priced over $2,000, and while it features a perpetual calendar, it only displays the date. Overall, owners and reviewers find the Seiko Astron GPS Solar 2026 Limited Edition a functional and appealing watch, particularly for its automatic timekeeping and solar power, though its GPS reception limitations and price point are noted considerations.

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation X-Wind GMT Chrono Quartz46mm
Astron GPS Solar 2026 Limited Edition41.2mm
Power Reserve
Khaki Aviation X-Wind GMT Chrono Quartz
Astron GPS Solar 2026 Limited Edition
Water Resistance
Khaki Aviation X-Wind GMT Chrono Quartz100m
Astron GPS Solar 2026 Limited Edition100m
MSRP
Khaki Aviation X-Wind GMT Chrono Quartz$1,245
Astron GPS Solar 2026 Limited Edition$2,400

Full specifications

Case

6 specs
Category
Pilot
GMT
Diameter
46mm
41.2mm
Thickness
13.75mm
12mm
Lug-to-Lug
0mm
48.6mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

2 specs
Caliber
G10.962
3X62
Jewels
0
10

Pricing

1 specs
MSRP
$1,245
$2,400
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