Side by side

Seiko AstronvsSunrex Beta

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

Add a watch
Astron
SeikoAstron
MSRP $3,100
Beta
SunrexBeta
Buy from Seiko ↗
Buy used on eBay ↗
Buy from Sunrex ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Astron44.1mm
Beta41mm
Power Reserve
Astron40h
Beta40h
Water Resistance
Astron100m
Beta100m
MSRP
Astron$3,100
Beta—

Full specifications

Case

6 specs
Category
Chronograph
—
Diameter
44.1mm
41mm
Thickness
14.4mm
14mm
Lug-to-Lug
50mm
48mm
Lug Width
14mm
—
Material
Titanium
Stainless Steel

Crystal & Dial

3 specs
Crystal Shape
Curved
Flat
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
$3,100
—
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.

AVI-8 Hawker Hurricane 90th Anniversary Chronograph Limited Edition
AVI-8micro

Hawker Hurricane 90th Anniversary Chronograph Limited Edition

9 watches · 46 variantsHawker
45mm·Quartz
$310MSRP
—Used
Sunrex Anemone City
Sunrexmicro
Banana Reef

Anemone City

2 variantsRef.
40mm·Solar·100m WR
$530MSRP
—Used
Astor + Banks Chrono
Astor + Banksmicro

Chrono

2 watches · 4 variantsChrono
44mm·Quartz·100m WR
$575MSRP
—Used
AV86 1960 Racing Chronograph
AV86micro

1960 Racing Chronograph

8 variantsRef. 1960-racing-chronograph-steel-black-off-white
40mm·Quartz·100m WR
$399MSRP
—Used
Ikepod Chronopod C006
Ikepodmicro

Chronopod C006

Ref. 242-chronopod-blue-suede
44mm·Quartz
$853MSRP
—Used
Dryden Chrono Diver Series 1
Drydenmicro

Chrono Diver Series 1

3 watches · 18 variantsChrono Diver
42mm·Quartz·101m WR
$349MSRP
—Used
AVI-8 Hawker Harrier Matador Chronograph
AVI-8micro

Hawker Harrier Matador Chronograph

9 watches · 48 variantsHawker
45mm·Quartz
$330MSRP
—Used
Ferro Race Master Chronograph
Ferromicro

Race Master Chronograph

2 watches · 13 variantsRace Master
45.2mm·Quartz
$485MSRP
—Used
All alternatives to the Astron →All alternatives to the Beta →
Explore the full catalog

Follow this matchup

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

Adjacent matchups

People also compared

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

AVI-8 Hawker Hurricane 90th Anniversary Chronograph Limited EditionvsSunrex BetaAstor + Banks ChronovsSunrex BetaIkepod Chronopod C006vsSunrex BetaAVI-8 Hawker Harrier Matador ChronographvsSunrex BetaSeiko AstronvsSunrex Anemone CityAV86 1960 Racing ChronographvsSeiko Astron
Edit this comparisonAdd another watchExplore more 40–46mm watches