Which is cheaper, the Praesidus 42mm Automatic or the Seiko Prospex Land Mechanical GMT?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $1,150 for the Seiko Prospex Land Mechanical GMT — a $470 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Seiko Prospex Land Mechanical GMT?

The Seiko Prospex Land Mechanical GMT wears larger at 39.5mm versus 38mm for the Praesidus 42mm Automatic — a 1.5mm difference across the dial.

Which has better water resistance, the Praesidus 42mm Automatic or the Seiko Prospex Land Mechanical GMT?

The Praesidus 42mm Automatic is rated to 100m versus 20m for the Seiko Prospex Land Mechanical GMT.

Which has a longer power reserve, the Praesidus 42mm Automatic or the Seiko Prospex Land Mechanical GMT?

The Seiko Prospex Land Mechanical GMT 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 Land Mechanical GMT?

Both watches run automatic movements — the Praesidus 42mm Automatic uses the Seiko NH35 and the Seiko Prospex Land Mechanical GMT uses the 6R54.

Side by side

Praesidus 42mm AutomaticvsSeiko Prospex Land Mechanical GMT

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 Land Mechanical GMT

spb377j1

MSRP $1,150

At a glance

15 of 29 specs differ

Diameter

42mm Automatic38mm

Prospex Land Mechanical GMT39.5mm

Power Reserve

42mm Automatic40h

Prospex Land Mechanical GMT72h

Water Resistance

42mm Automatic100m

Prospex Land Mechanical GMT200m

MSRP

42mm Automatic$680

Prospex Land Mechanical GMT$1,150

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

42mm Automatic

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH35

6R54

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$680

$1,150

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