Side by side

Seiko AstronvsSunrex Beta

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

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Astron
SeikoAstron
MSRP $2,500
Beta
SunrexBeta
Buy from Seiko ↗
Buy used on eBay ↗
Buy from Sunrex ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Astron42mm
Beta41mm
Power Reserve
Astron40h
Beta40h
Water Resistance
Astron100m
Beta100m
MSRP
Astron$2,500
Beta—

Full specifications

Case

6 specs
Category
GMT
—
Diameter
42mm
41mm
Thickness
12.4mm
14mm
Lug-to-Lug
49.5mm
48mm
Lug Width
14mm
—
Material
Titanium
Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
5X83
Epson VS75A
Type
Quartz
Solar
Jewels
14
25

Pricing

1 specs
MSRP
$2,500
—
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