Which is cheaper, the Praesidus 42mm Automatic or the Seiko 5KX?

At MSRP the Seiko 5KX is the cheaper of the two at $350, against $680 for the Praesidus 42mm Automatic — a $330 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Seiko 5KX?

The Seiko 5KX wears larger at 42.5mm versus 38mm for the Praesidus 42mm Automatic — a 4.5mm difference across the dial.

Which has better water resistance, the Praesidus 42mm Automatic or the Seiko 5KX?

The Praesidus 42mm Automatic is rated to 100m versus 10m for the Seiko 5KX.

Which has a longer power reserve, the Praesidus 42mm Automatic or the Seiko 5KX?

The Seiko 5KX carries a 41-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

What movement does the Praesidus 42mm Automatic run compared to the Seiko 5KX?

Both watches run automatic movements — the Praesidus 42mm Automatic uses the Seiko NH35 and the Seiko 5KX uses the 4R36.

Side by side

Praesidus 42mm AutomaticvsSeiko 5KX

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 5KX

srpd51

MSRP $350

At a glance

13 of 29 specs differ

Diameter

42mm Automatic38mm

5KX42.5mm

Power Reserve

42mm Automatic40h

5KX41h

Water Resistance

42mm Automatic100m

5KX100m

MSRP

42mm Automatic$680

5KX$350

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

Dial Color

42mm Automatic

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH35

4R36

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$680

$350

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Praesidus 42mm AutomaticvsSeiko 5KX

At a glance

Full specifications

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