Side by side

Seiko Astron GPS Solar 2025 Limited EditionvsStraton Straton Curve Chrono MKII

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 $2,900
Straton Curve Chrono MKII
StratonStraton Curve Chrono MKII
MSRP $1,099

At a glance

17 of 29 specs differ
Diameter
Astron GPS Solar 2025 Limited Edition43.4mm
Straton Curve Chrono MKII42mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
Straton Curve Chrono MKII
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
Straton Curve Chrono MKII100m
MSRP
Astron GPS Solar 2025 Limited Edition$2,900
Straton Curve Chrono MKII$1,099

Full specifications

Case

7 specs
Diameter
43.4mm
42mm
Thickness
13.4mm
13.9mm
Lug-to-Lug
49.5mm
47.4mm
Lug Width
14mm
22mm
Material
Titanium
316L Stainless Steel
Finish
Brushed and polished
Caseback
Solid
Stamped Design with Wheel

Crystal & Dial

5 specs
Crystal Shape
Curved
Domed
AR Coating
Super-clear coating
Yes
Dial Color
Black
Indices
Applied
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
5X83
NE86
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
14
0

Pricing

1 specs
MSRP
$2,900
$1,099

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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 lauded for its advanced satellite timekeeping and perpetual calendar functionality, offering global time and location updates via GPS signals. Owners appreciate its well-built titanium or steel case, often featuring a ceramic bezel, and the unique asymmetrical design inspired by the 1983 Seiko 7A28 6000. However, its substantial 47mm size and 16.5mm thickness are frequently noted as drawbacks, with some finding it wears large and is difficult to fit under shirt sleeves. The perpetual calendar is limited to displaying only the date, and GPS signal reception requires a clear view of the sky, posing challenges indoors. The watch is priced around $2,900 and is limited to 3,000 pieces. Overall, owners and reviewers value the Seiko Astron GPS Solar 2025 Limited Edition for its cutting-edge technology and distinctive design, despite its considerable dimensions.

Straton Curve Chrono MKII

The watch offers a retro motorsport aesthetic with a quality finish and well-chosen movements at an affordable price. Reviewers did not agree on any specific weaknesses.

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