Which is cheaper, the Corniche Chronograph or the Seiko Astron?

At MSRP the Corniche Chronograph is the cheaper of the two at $425, against $2,500 for the Seiko Astron — a $2,075 gap before any retailer discounting.

Which is bigger, the Corniche Chronograph or the Seiko Astron?

The Seiko Astron wears larger at 42mm versus 39mm for the Corniche Chronograph — a 3mm difference across the dial.

Which has better water resistance, the Corniche Chronograph or the Seiko Astron?

The Corniche Chronograph is rated to 50m versus 10m for the Seiko Astron.

What movement does the Corniche Chronograph run compared to the Seiko Astron?

The Corniche Chronograph runs a mecaquartz caliber (Seiko VK64), while the Seiko Astron runs a quartz (5X83).

Side by side

Corniche ChronographvsSeiko Astron

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

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Corniche Chronograph

MSRP $425

Seiko Astron

ssh159j1

MSRP $2,500

At a glance

15 of 29 specs differ

Diameter

Chronograph39mm

Astron42mm

Power Reserve

Chronograph—

Astron40h

Water Resistance

Chronograph50m

Astron100m

MSRP

Chronograph$425

Astron$2,500

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Super-clear coating

Dial Color

Green

Black

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seiko VK64

5X83

Type

Mecaquartz

Quartz

Power Reserve

—

40h

Jewels

Pricing

1 specs

MSRP

$425

$2,500

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Corniche ChronographvsSeiko Astron

At a glance

Full specifications

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