Which is cheaper, the Signum Sollus Chrono or the Seiko Astron?

At MSRP the Signum Sollus Chrono is the cheaper of the two at $299, against $2,500 for the Seiko Astron — a $2,201 gap before any retailer discounting.

Which is bigger, the Signum Sollus Chrono or the Seiko Astron?

The Signum Sollus Chrono wears larger at 42.5mm versus 42mm for the Seiko Astron — a 0.5mm difference across the dial.

Which has better water resistance, the Signum Sollus Chrono or the Seiko Astron?

The Signum Sollus Chrono is rated to 100m versus 10m for the Seiko Astron.

What movement does the Signum Sollus Chrono run compared to the Seiko Astron?

The Signum Sollus Chrono runs a mecaquartz caliber (Seiko VK63), while the Seiko Astron runs a quartz (5X83).

Side by side

Signum Sollus ChronovsSeiko Astron

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

Add a watch

Signum Sollus Chrono

signum-sollus-chrono

MSRP $299

Seiko Astron

ssh159j1

MSRP $2,500

At a glance

14 of 29 specs differ

Diameter

Sollus Chrono42.5mm

Astron42mm

Power Reserve

Sollus Chrono—

Astron40h

Water Resistance

Sollus Chrono100m

Astron100m

MSRP

Sollus Chrono$299

Astron$2,500

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Super-clear coating

Dial Color

—

Black

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seiko VK63

5X83

Type

Mecaquartz

Quartz

Power Reserve

—

40h

Jewels

Pricing

1 specs

MSRP

$299

$2,500

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.

Filippo Loreti Watchesmicro

Follow this matchup

Get a note when Signum Sollus Chrono vs Seiko Astron 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.

Filippo Loreti Watches Ascari Monza SkeletonvsSeiko Astron Maughan Jones Momentum ChronovsSeiko Astron Nezumi Studios VoiturevsSeiko Astron Caught Watches Grand Slammer 1959vsSeiko Astron Farer Segrave IIIvsSignum Sollus Chrono Signum Sollus ChronovsHelgray Skyfighter (Refurbished)

Edit this comparison Add another watch

Signum Sollus ChronovsSeiko Astron

At a glance

Full specifications

More watches worth a look

Ascari Monza Skeleton

Segrave III

Momentum Chrono

Skyfighter (Refurbished)

Voiture

Hawker Hurricane Carey Dual Time

Grand Slammer 1959

Cabot Sea Falcon Watch

Follow this matchup

People also compared