Side by side

Spinnaker FleussvsSeiko Astron GPS Solar 2025 Limited Edition

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

Fleuss
SpinnakerFleuss
MSRP $179
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

14 of 29 specs differ
Diameter
Fleuss43mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Fleuss40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Fleuss150m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Fleuss$179
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
43mm
42mm
Thickness
13mm
12mm
Lug-to-Lug
51mm
47.9mm
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
Lumber Black
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
SII NH35A
3X62
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$179
$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.

Spinnaker Fleuss

Owners widely praise the Spinnaker Fleuss for its retro design, textured dial, and good value, with many noting it looks better in person than in photos. The watch is appreciated for its robust construction and finishing, especially when found at a discount. Some owners report good timekeeping and a decent power reserve. However, the Spinnaker Fleuss GMT is criticized by some for its large case size, which can affect proportions and numeral legibility. One owner experienced a broken crown after a fall, while another noted concerns about the acrylic bezel's durability. The lume is described as adequate but not exceptional. Overall, owners rate the Spinnaker Fleuss highly for its retro aesthetic and value proposition, particularly when purchased on sale.

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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