Side by side

Grand Seiko SBGP007vsSeiko Astron

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

SBGP007
Grand SeikoSBGP007
MSRP $3,900
Astron
SeikoAstron
MSRP $2,200

At a glance

10 of 29 specs differ
Diameter
SBGP00740mm
Astron41.2mm
Power Reserve
SBGP00740h
Astron40h
Water Resistance
SBGP007100m
Astron100m
MSRP
SBGP007$3,900
Astron$2,200

Full specifications

Case

5 specs
Diameter
40mm
41.2mm
Thickness
10.8mm
12mm
Lug-to-Lug
47mm
48.5mm
Lug Width
20mm
14mm
Material
Gold
Titanium

Crystal & Dial

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

Movement

2 specs
Caliber
9F85
3X62
Jewels
25
10

Pricing

1 specs
MSRP
$3,900
$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 SBGP007

Grand Seiko SBGP007 owners widely praise its finishing and the quality of its stainless steel case and bracelet with solid end links. The watch features a 40mm case, a smooth bezel, a deep blue textured dial, and Grand Seiko alpha hands. It is powered by the Seiko calibre 9F85 quartz movement. Owners are split on the red seconds hand and gold star emblem, with some finding them too bright or childish, while others defend the star as a mark of accuracy. The $3900 MSRP is debated, with some considering it high for a quartz watch. Overall, owners rate the Grand Seiko SBGP007 highly for its exceptional finishing at the price point, despite some debate over aesthetic details.

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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