Which is cheaper, the Praesidus 42mm Automatic or the Seiko Prospex LX line?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $6,500 for the Seiko Prospex LX line — a $5,820 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Seiko Prospex LX line?

The Seiko Prospex LX line wears larger at 44.8mm versus 38mm for the Praesidus 42mm Automatic — a 6.8mm difference across the dial.

Which has better water resistance, the Praesidus 42mm Automatic or the Seiko Prospex LX line?

The Seiko Prospex LX line is rated to 300m versus 100m for the Praesidus 42mm Automatic.

Which has a longer power reserve, the Praesidus 42mm Automatic or the Seiko Prospex LX line?

The Seiko Prospex LX line carries a 72-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

What movement does the Praesidus 42mm Automatic run compared to the Seiko Prospex LX line?

The Praesidus 42mm Automatic runs a automatic caliber (Seiko NH35), while the Seiko Prospex LX line runs a spring drive (5R65).

Side by side

Praesidus 42mm AutomaticvsSeiko Prospex LX line

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

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Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

Seiko Prospex LX line

snr029j1

MSRP $6,500

At a glance

15 of 29 specs differ

Diameter

42mm Automatic38mm

Prospex LX line44.8mm

Power Reserve

42mm Automatic40h

Prospex LX line72h

Water Resistance

42mm Automatic100m

Prospex LX line300m

MSRP

42mm Automatic$680

Prospex LX line$6,500

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

42mm Automatic

Black

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seiko NH35

5R65

Type

Automatic

Spring Drive

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$680

$6,500

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Praesidus 42mm AutomaticvsSeiko Prospex LX line

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