Which is cheaper, the Praesidus Neptune 44 or the Grand Seiko SLGB005?

At MSRP the Praesidus Neptune 44 is the cheaper of the two at $550, against $11,100 for the Grand Seiko SLGB005 — a $10,550 gap before any retailer discounting.

Which is bigger, the Praesidus Neptune 44 or the Grand Seiko SLGB005?

The Praesidus Neptune 44 wears larger at 44mm versus 37mm for the Grand Seiko SLGB005 — a 7mm difference across the dial.

Which has better water resistance, the Praesidus Neptune 44 or the Grand Seiko SLGB005?

The Praesidus Neptune 44 is rated to 200m versus 100m for the Grand Seiko SLGB005.

Which has a longer power reserve, the Praesidus Neptune 44 or the Grand Seiko SLGB005?

The Grand Seiko SLGB005 carries a 72-hour power reserve against 40 hours on the Praesidus Neptune 44.

What movement does the Praesidus Neptune 44 run compared to the Grand Seiko SLGB005?

The Praesidus Neptune 44 runs a automatic caliber (Miyota 9039), while the Grand Seiko SLGB005 runs a spring drive (9RB2).

Side by side

Praesidus Neptune 44vsGrand Seiko SLGB005

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

Praesidus Neptune 44

neptune-44-brown

MSRP $550

Grand Seiko SLGB005

slgb005g

MSRP $11,100

At a glance

14 of 29 specs differ

Diameter

Neptune 4444mm

SLGB00537mm

Power Reserve

Neptune 4440h

SLGB00572h

Water Resistance

Neptune 44200m

SLGB005100m

MSRP

Neptune 44$550

SLGB005$11,100

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Yes

Dial Color

Patina

Black

Movement

3 specs

Caliber

Miyota 9039

9RB2

Type

Automatic

Spring Drive

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$550

$11,100

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Praesidus Neptune 44vsGrand Seiko SLGB005

At a glance

Full specifications

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