Which is cheaper, the Praesidus 42mm Automatic or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $269, against $1,700 for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch — a $1,431 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch 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 Prospex Sea 1968 Heritage Diver's GMT Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch 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 Sea 1968 Heritage Diver's GMT Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch 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 Sea 1968 Heritage Diver's GMT Watch?

Both watches run automatic movements — the Praesidus 42mm Automatic uses the Seiko NH35 and the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch uses the 6R54.

Side by side

Praesidus 42mm AutomaticvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

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

Praesidus 42mm Automatic

P-42-TR-MIC-DBRAG

MSRP $269

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

spb519j1

MSRP $1,700

At a glance

14 of 29 specs differ

Diameter

42mm Automatic38mm

Prospex Sea 1968 Heritage Diver's GMT Watch42mm

Power Reserve

42mm Automatic40h

Prospex Sea 1968 Heritage Diver's GMT Watch72h

Water Resistance

42mm Automatic100m

Prospex Sea 1968 Heritage Diver's GMT Watch300m

MSRP

42mm Automatic$269

Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

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, index(es) and bezel

Movement

3 specs

Caliber

Seiko NH35

6R54

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$269

$1,700

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