Which is cheaper, the Praesidus 42mm Automatic or the Grand Seiko SLGH017?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $10,500 for the Grand Seiko SLGH017 — a $9,820 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Grand Seiko SLGH017?

The Grand Seiko SLGH017 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 SLGH017?

The Grand Seiko SLGH017 carries a 80-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

What movement does the Praesidus 42mm Automatic run compared to the Grand Seiko SLGH017?

Both watches run automatic movements — the Praesidus 42mm Automatic uses the Seiko NH35 and the Grand Seiko SLGH017 uses the 9SA5.

Side by side

Praesidus 42mm AutomaticvsGrand Seiko SLGH017

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 SLGH017

slgh017g

MSRP $10,500

At a glance

11 of 29 specs differ

Diameter

42mm Automatic38mm

SLGH01740mm

Power Reserve

42mm Automatic40h

SLGH01780h

Water Resistance

42mm Automatic100m

SLGH017100m

MSRP

42mm Automatic$680

SLGH017$10,500

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

42mm Automatic

Black

Movement

2 specs

Caliber

Seiko NH35

9SA5

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$680

$10,500

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Praesidus 42mm AutomaticvsGrand Seiko SLGH017

At a glance

Full specifications

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