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 $2,200

At a glance

10 of 29 specs differ
Diameter
SBGX26137mm
Astron41.2mm
Power Reserve
SBGX26140h
Astron40h
Water Resistance
SBGX261100m
Astron100m
MSRP
SBGX261$2,700
Astron$2,200

Full specifications

Case

5 specs
Diameter
37mm
41.2mm
Thickness
10mm
12mm
Lug-to-Lug
44.6mm
48.5mm
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
$2,200

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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.

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

Owners widely praise the Seiko Astron for its spectacular time-telling technology, GPS time sync, and grab-and-go convenience, with many calling it the best watch they have ever owned. Reviewers and owners highlight the well-managed dial detail, textured hour markers, and high-contrast edges, as well as the well-finished case and bracelet. Some find the lightweight titanium build and quick bracelet adjustment contribute to comfortable wearability. Accuracy is noted as +/- 15 seconds per month without GPS, though the autonomous quartz movement can be easily reset by looking at the sky. Criticisms include DST not being automatically implemented, recessed buttons requiring a sharp object for adjustment, and sparse lume with no 12 o'clock marker. Some owners feel the price point is too expensive for its aesthetic appeal. Overall, owners rate the Seiko Astron highly for its advanced time-telling technology and convenient features.

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