Which is cheaper, the Praesidus 42mm Automatic or the Grand Seiko SLGA019?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $11,000 for the Grand Seiko SLGA019 — a $10,320 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Grand Seiko SLGA019?

The Grand Seiko SLGA019 wears larger at 40mm versus 38mm for the Praesidus 42mm Automatic — a 2mm difference across the dial.

Which has a longer power reserve, the Praesidus 42mm Automatic or the Grand Seiko SLGA019?

The Grand Seiko SLGA019 carries a 120-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

What movement does the Praesidus 42mm Automatic run compared to the Grand Seiko SLGA019?

The Praesidus 42mm Automatic runs a automatic caliber (Seiko NH35), while the Grand Seiko SLGA019 runs a spring drive (9RA2).

Side by side

Praesidus 42mm AutomaticvsGrand Seiko SLGA019

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

Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

Grand Seiko SLGA019

slga019g

MSRP $11,000

At a glance

12 of 29 specs differ

Diameter

42mm Automatic38mm

SLGA01940mm

Power Reserve

42mm Automatic40h

SLGA019120h

Water Resistance

42mm Automatic100m

SLGA019100m

MSRP

42mm Automatic$680

SLGA019$11,000

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

42mm Automatic

Black

Movement

3 specs

Caliber

Seiko NH35

9RA2

Type

Automatic

Spring Drive

Power Reserve

40h

120h

Pricing

1 specs

MSRP

$680

$11,000

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Praesidus 42mm AutomaticvsGrand Seiko SLGA019

At a glance

Full specifications

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