Side by side

Spinnaker Fleuss Mechanical ChronographvsSeiko Astron GPS Solar 2025 Limited Edition

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

Fleuss Mechanical Chronograph
SpinnakerFleuss Mechanical Chronograph
MSRP $550
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

12 of 29 specs differ
Diameter
Fleuss Mechanical Chronograph43mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Fleuss Mechanical Chronograph40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Fleuss Mechanical Chronograph100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Fleuss Mechanical Chronograph$550
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
43mm
42mm
Thickness
14mm
12mm
Lug-to-Lug
51mm
47.9mm
Lug Width
22mm
14mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

2 specs
AR Coating
Inner
Super-clear coating
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Seagull ST1908
3X62
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$550
$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 Mechanical Chronograph

Owners widely report a split on build quality, with some finding the Spinnaker Fleuss Mechanical Chronograph's construction unimpressive due to issues like a poorly seated bezel and crooked indices, while others praise its robustness and aesthetic appeal. The unique dial features character hands and glowing eyes serving as subdials and a 24-hour indicator, though the chronograph function is limited to 60 minutes. On balance, the Spinnaker Fleuss Mechanical Chronograph elicits divided opinions on its build quality, with its artistic dial design being a notable, albeit polarizing, feature.

From video reviewers

The Spinnaker Googly Black's notable strength is its reported water-resistance of 300 fathoms or 550 metres. A weakness of this watch is its lume brightness, which is somewhat lacking. Reviewers disagree on the watch's ideal size, with one reviewer noting its slimmed-down design and the other mentioning its overall size and 26+ millimeter thickness.

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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