Which is cheaper, the Praesidus 38mm Automatic or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

At MSRP the Praesidus 38mm Automatic is the cheaper of the two at $680, against $1,700 for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch — a $1,020 gap before any retailer discounting.

Which is bigger, the Praesidus 38mm 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 38mm Automatic — a 4mm difference across the dial.

Which has better water resistance, the Praesidus 38mm 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 38mm Automatic.

Which has a longer power reserve, the Praesidus 38mm 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 38mm Automatic.

What movement does the Praesidus 38mm Automatic run compared to the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

Both watches run automatic movements — the Praesidus 38mm Automatic uses the Seiko NH35 and the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch uses the 6R54.

Side by side

Praesidus 38mm 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 38mm Automatic

P-38-HP-GRSG

MSRP $680

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

spb519j1

MSRP $1,700

At a glance

14 of 29 specs differ

Diameter

38mm Automatic38mm

Prospex Sea 1968 Heritage Diver's GMT Watch42mm

Power Reserve

38mm Automatic40h

Prospex Sea 1968 Heritage Diver's GMT Watch72h

Water Resistance

38mm Automatic100m

Prospex Sea 1968 Heritage Diver's GMT Watch300m

MSRP

38mm Automatic$680

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

38mm 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

$680

$1,700

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