Which is cheaper, the Praesidus Neptune 44 or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

At MSRP the Praesidus Neptune 44 is the cheaper of the two at $550, against $2,900 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $2,350 gap before any retailer discounting.

Which is bigger, the Praesidus Neptune 44 or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Praesidus Neptune 44 wears larger at 44mm versus 42.6mm for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a 1.4mm difference across the dial.

Which has better water resistance, the Praesidus Neptune 44 or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch is rated to 300m versus 200m for the Praesidus Neptune 44.

Which has a longer power reserve, the Praesidus Neptune 44 or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch carries a 50-hour power reserve against 40 hours on the Praesidus Neptune 44.

What movement does the Praesidus Neptune 44 run compared to the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

Both watches run automatic movements — the Praesidus Neptune 44 uses the Miyota 9039 and the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L35.

Side by side

Praesidus Neptune 44vsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

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

Praesidus Neptune 44

neptune-44-brown

MSRP $550

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

sla077j1

MSRP $2,900

At a glance

15 of 29 specs differ

Diameter

Neptune 4444mm

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm

Power Reserve

Neptune 4440h

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h

Water Resistance

Neptune 44200m

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

MSRP

Neptune 44$550

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

6 specs

Diameter

44mm

42.6mm

Thickness

—

13.4mm

Lug-to-Lug

—

49.3mm

Lug Width

22mm

20mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

200m

300m

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Patina

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota 9039

8L35

Power Reserve

40h

50h

Jewels

Pricing

1 specs

MSRP

$550

$2,900

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