Side by side

Slow Watches SolarvsSeiko Astron

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

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Solar
Slow WatchesSolar
Astron
SeikoAstron
MSRP $2,400
Buy from Slow Watches ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

15 of 29 specs differ
Diameter
Solar40mm
Astron42mm
Power Reserve
Solar—
Astron40h
Water Resistance
Solar50m
Astron100m
MSRP
Solar—
Astron$2,400

Full specifications

Case

7 specs
Category
—
Dress
Diameter
40mm
42mm
Thickness
10mm
12mm
Lug-to-Lug
—
47.9mm
Lug Width
—
14mm
Material
Aluminum
Titanium
Water Resistance
50m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Super-clear coating
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
VS42A
3X62
Type
Solar
Quartz
Power Reserve
—
40h
Jewels
25
10

Pricing

1 specs
MSRP
—
$2,400
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