Side by side

Lorier Astra Cosmic BluevsGrand Seiko SBGA427

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

Astra Cosmic Blue
LorierAstra Cosmic Blue
MSRP $499
SBGA427
Grand SeikoSBGA427
MSRP $5,800

At a glance

12 of 29 specs differ
Diameter
Astra Cosmic Blue36mm
SBGA42739mm
Power Reserve
Astra Cosmic Blue40h
SBGA42772h
Water Resistance
Astra Cosmic Blue50m
SBGA427100m
MSRP
Astra Cosmic Blue$499
SBGA427$5,800

Full specifications

Case

6 specs
Category
Field
Dress
Diameter
36mm
39mm
Thickness
12.3mm
Lug-to-Lug
46.8mm
Lug Width
18mm
19mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

3 specs
Caliber
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$499
$5,800

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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.

Lorier Astra Cosmic Blue

Owners widely praise the Lorier Astra Cosmic Blue for its beautiful, vintage 1960s aesthetic and comfortable 36mm size, fitting well even after initial adjustment. Some community members appreciate its clean lines and attractive design, though a few wish for more variation in the brand's case and bracelet designs across its models. Overall, owners rate the Lorier Astra Cosmic Blue highly for its stunning, dressy vintage appeal and wearability.

Grand Seiko SBGA427

Grand Seiko SBGA427 owners widely praise its extensive Zaratsu polishing and the "hall of mirrors" effect created by its diamond-cut indexes, complemented by a subtle, reeded dial and a striking green seconds hand. The 39mm case is noted for its comfortable, tapered bracelet, and the 9R65 Spring Drive movement is visible through the caseback. Some owners report the highly polished Zaratsu finish is prone to scuffs and scratches, with one mentioning a scratch near 1 o'clock. The Grand Seiko SBGA427 sold for $3750. Overall, owners rate the Grand Seiko SBGA427 highly for its exceptional finishing and the unique visual appeal of its dial and indexes.

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