Side by side

Grand Seiko SBGX261vsSeiko Astron

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

SBGX261
Grand SeikoSBGX261
MSRP $2,700
Astron
SeikoAstron
MSRP $2,400

At a glance

10 of 29 specs differ
Diameter
SBGX26137mm
Astron42mm
Power Reserve
SBGX26140h
Astron40h
Water Resistance
SBGX261100m
Astron100m
MSRP
SBGX261$2,700
Astron$2,400

Full specifications

Case

5 specs
Diameter
37mm
42mm
Thickness
10mm
12mm
Lug-to-Lug
44.6mm
47.9mm
Lug Width
19mm
14mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

2 specs
Caliber
9F62
3X62
Jewels
25
10

Pricing

1 specs
MSRP
$2,700
$2,400

Follow this matchup

Get a note when Grand Seiko SBGX261 vs Seiko Astron gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Grand Seiko SBGX261

Owners widely praise the Grand Seiko SBGX261 for its exceptional finishing, rivaling mechanical watches, and the high-precision, hand-assembled 9F quartz movement, noted for its accuracy within 10 seconds per year. The 37mm case size and versatile design are frequently highlighted as key strengths, making it a comfortable and stylish everyday watch. However, the bracelet's lack of micro-adjustments and taper is a recurring criticism, and one owner notes the second hand's inconsistent alignment with markers. On balance, owners rate the Grand Seiko SBGX261 highly for its superb finishing and the technical prowess of its 9F quartz movement at its price point.

Seiko Astron

The Seiko Astron is widely praised for its advanced time-telling technology, including GPS and radio wave synchronization, and its self-sufficient solar-powered quartz movement. Owners appreciate the detailed and high-contrast dials, comfortable and lightweight titanium builds, and well-finished cases and bracelets. Some users report excellent accuracy, with one noting +/- 15 seconds per month, while another finds the autonomous movement's accuracy of 1/2 second per day acceptable due to easy correction via GPS sync. However, the Seiko Astron's price point is frequently cited as a drawback, with some finding it high for a quartz watch, particularly when compared to luxury or mechanical alternatives. Specific criticisms include manual DST implementation, the need for outdoor sync, sparse lume, and a minute hand that sits slightly off on one model, with accuracy of +13 sec/month being disappointing for its cost on another.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.