Which is cheaper, the Praesidus 42mm Automatic or the Seiko Astron?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $2,400 for the Seiko Astron — a $1,720 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Seiko Astron?

The Seiko Astron wears larger at 42mm versus 38mm for the Praesidus 42mm Automatic — a 4mm difference across the dial.

Which has better water resistance, the Praesidus 42mm Automatic or the Seiko Astron?

The Praesidus 42mm Automatic is rated to 100m versus 10m for the Seiko Astron.

What movement does the Praesidus 42mm Automatic run compared to the Seiko Astron?

The Praesidus 42mm Automatic runs a automatic caliber (Seiko NH35), while the Seiko Astron runs a quartz (3X62).

Side by side

Praesidus 42mm AutomaticvsSeiko Astron

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

Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

Seiko Astron

ssj023j1

MSRP $2,400

At a glance

13 of 29 specs differ

Diameter

42mm Automatic38mm

Astron42mm

Power Reserve

42mm Automatic40h

Astron40h

Water Resistance

42mm Automatic100m

Astron100m

MSRP

42mm Automatic$680

Astron$2,400

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Super-clear coating

Dial Color

42mm Automatic

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH35

3X62

Type

Automatic

Quartz

Jewels

Pricing

1 specs

MSRP

$680

$2,400

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Praesidus 42mm AutomaticvsSeiko Astron

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