Side by side

Spinnaker Fleuss GMTvsSeiko Astron GPS Solar 2026 Limited Edition

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

Fleuss GMT
SpinnakerFleuss GMT
MSRP $299
Astron GPS Solar 2026 Limited Edition
SeikoAstron GPS Solar 2026 Limited Edition
MSRP $2,400

At a glance

13 of 29 specs differ
Diameter
Fleuss GMT43mm
Astron GPS Solar 2026 Limited Edition41.2mm
Power Reserve
Fleuss GMT40h
Astron GPS Solar 2026 Limited Edition40h
Water Resistance
Fleuss GMT150m
Astron GPS Solar 2026 Limited Edition100m
MSRP
Fleuss GMT$299
Astron GPS Solar 2026 Limited Edition$2,400

Full specifications

Case

6 specs
Diameter
43mm
41.2mm
Thickness
13mm
12mm
Lug-to-Lug
51mm
48.6mm
Lug Width
22mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
150m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH34A
3X62
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$299
$2,400

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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.

Spinnaker Fleuss GMT

Owners widely praise the Spinnaker Fleuss GMT for its aesthetic appeal, comfortable and light wearability, and value, especially when discounted. The textured blue dial, applied lumed markers, and sapphire crystal with AR coating are highlighted as stunning features. Owners also note the dial is very well lumed and the bracelet has helpful quick-release tabs. However, the 43.3mm case size is criticized by some as being too large, and the Beads of Rice bracelet is described as "jingly jangly" with a pressed clasp and a clasp that isn't finely finished. Some users flag the internal bezel rotates too easily. Overall, owners rate the Spinnaker Fleuss GMT highly for its aesthetic success and value at its affordable price point.

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.

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