Which is cheaper, the Praesidus Neptune 44 or the Grand Seiko SLGA019?

At MSRP the Praesidus Neptune 44 is the cheaper of the two at $550, against $11,000 for the Grand Seiko SLGA019 — a $10,450 gap before any retailer discounting.

Which is bigger, the Praesidus Neptune 44 or the Grand Seiko SLGA019?

The Praesidus Neptune 44 wears larger at 44mm versus 40mm for the Grand Seiko SLGA019 — a 4mm difference across the dial.

Which has better water resistance, the Praesidus Neptune 44 or the Grand Seiko SLGA019?

The Praesidus Neptune 44 is rated to 200m versus 100m for the Grand Seiko SLGA019.

Which has a longer power reserve, the Praesidus Neptune 44 or the Grand Seiko SLGA019?

The Grand Seiko SLGA019 carries a 120-hour power reserve against 40 hours on the Praesidus Neptune 44.

What movement does the Praesidus Neptune 44 run compared to the Grand Seiko SLGA019?

The Praesidus Neptune 44 runs a automatic caliber (Miyota 9039), while the Grand Seiko SLGA019 runs a spring drive (9RA2).

Side by side

Praesidus Neptune 44vsGrand Seiko SLGA019

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 SLGA019

slga019g

MSRP $11,000

At a glance

13 of 29 specs differ

Diameter

Neptune 4444mm

SLGA01940mm

Power Reserve

Neptune 4440h

SLGA019120h

Water Resistance

Neptune 44200m

SLGA019100m

MSRP

Neptune 44$550

SLGA019$11,000

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Yes

Dial Color

Patina

Black

Movement

3 specs

Caliber

Miyota 9039

9RA2

Type

Automatic

Spring Drive

Power Reserve

40h

120h

Pricing

1 specs

MSRP

$550

$11,000

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Praesidus Neptune 44vsGrand Seiko SLGA019

At a glance

Full specifications

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