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

At MSRP the Seiko Prospex Rotocall is the cheaper of the two at $550, against $680 for the Praesidus 42mm Automatic — a $130 gap before any retailer discounting.

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

The Praesidus 42mm Automatic wears larger at 38mm versus 37mm for the Seiko Prospex Rotocall — a 1mm difference across the dial.

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

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

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

The Praesidus 42mm Automatic runs a automatic caliber (Seiko NH35), while the Seiko Prospex Rotocall runs a quartz (A824).

Side by side

Praesidus 42mm AutomaticvsSeiko Prospex Rotocall

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 Prospex Rotocall

smgg17

MSRP $550

At a glance

11 of 29 specs differ

Diameter

42mm Automatic38mm

Prospex Rotocall37mm

Power Reserve

42mm Automatic40h

Prospex Rotocall40h

Water Resistance

42mm Automatic100m

Prospex Rotocall100m

MSRP

42mm Automatic$680

Prospex Rotocall$550

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Hardlex

Dial Color

42mm Automatic

Black

Movement

2 specs

Caliber

Seiko NH35

A824

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$680

$550

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Praesidus 42mm AutomaticvsSeiko Prospex Rotocall

At a glance

Full specifications

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