Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited EditionvsPraesidus 42mm Automatic

Q: Which is cheaper, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition or the Praesidus 42mm Automatic?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $3,900 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition — a $3,220 gap before any retailer discounting.

Q: Which is bigger, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition or the Praesidus 42mm Automatic?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition wears larger at 42.6mm versus 38mm for the Praesidus 42mm Automatic — a 4.6mm difference across the dial.

Q: Which has better water resistance, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition or the Praesidus 42mm Automatic?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition is rated to 300m versus 100m for the Praesidus 42mm Automatic.

Q: Which has a longer power reserve, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition or the Praesidus 42mm Automatic?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition carries a 72-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

Q: What movement does the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition run compared to the Praesidus 42mm Automatic?

Both watches run automatic movements — the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition uses the 8L45 and the Praesidus 42mm Automatic uses the Seiko NH35.

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

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

hbf002j1

MSRP $3,900

Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

At a glance

15 of 29 specs differ

Diameter

Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm

42mm Automatic38mm

Power Reserve

Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h

42mm Automatic40h

Water Resistance

Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m

42mm Automatic100m

MSRP

Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900

42mm Automatic$680

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

42mm Automatic

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

8L45

Seiko NH35

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

$3,900

$680

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