Side by side

Seiko AstronvsStraton Straton Curve Chrono MKII

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

Astron
SeikoAstron
MSRP $2,700
Straton Curve Chrono MKII
StratonStraton Curve Chrono MKII
MSRP $1,099

At a glance

17 of 29 specs differ
Diameter
Astron43.3mm
Straton Curve Chrono MKII42mm
Power Reserve
Astron40h
Straton Curve Chrono MKII
Water Resistance
Astron100m
Straton Curve Chrono MKII100m
MSRP
Astron$2,700
Straton Curve Chrono MKII$1,099

Full specifications

Case

7 specs
Diameter
43.3mm
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
$2,700
$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

The Seiko Astron is widely praised for its advanced timekeeping technology, including GPS and radio wave synchronization, offering grab-and-go convenience and exceptional accuracy, with some users reporting +/- 15 seconds per month or even 1/2 second per day for its autonomous quartz movement. Owners appreciate its well-finished titanium cases and bracelets, detailed dials with high-contrast markers, and lightweight, comfortable wearability. However, some find the price point of around $2,000 to $2,400 expensive, noting that GPS sync works best outdoors and that certain models lack screw-down casebacks, impacting water resistance. The lume is described as sparse on some models, and recessed buttons require tools to operate. Overall, owners and reviewers rate the Seiko Astron highly for its cutting-edge technology and comfortable, well-finished design, with the value proposition becoming more compelling when models are found at a discount.

From video reviewers

The watch's automatic time zone adjustment via GPS is a notable feature. The watch's solar-powered charging system can take up to 6 months to fully charge, which may not be ideal for users who need a quick power boost.

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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