Which is cheaper, the Praesidus 42mm Automatic or the Grand Seiko STGK031?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $6,600 for the Grand Seiko STGK031 — a $5,920 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Grand Seiko STGK031?

The Praesidus 42mm Automatic wears larger at 38mm versus 30mm for the Grand Seiko STGK031 — a 8mm difference across the dial.

Which has a longer power reserve, the Praesidus 42mm Automatic or the Grand Seiko STGK031?

The Grand Seiko STGK031 carries a 50-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

What movement does the Praesidus 42mm Automatic run compared to the Grand Seiko STGK031?

Both watches run automatic movements — the Praesidus 42mm Automatic uses the Seiko NH35 and the Grand Seiko STGK031 uses the 9S27.

Side by side

Praesidus 42mm AutomaticvsGrand Seiko STGK031

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 STGK031

stgk031g

MSRP $6,600

At a glance

11 of 29 specs differ

Diameter

42mm Automatic38mm

STGK03130mm

Power Reserve

42mm Automatic40h

STGK03150h

Water Resistance

42mm Automatic100m

STGK031100m

MSRP

42mm Automatic$680

STGK031$6,600

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

42mm Automatic

Black

Movement

2 specs

Caliber

Seiko NH35

9S27

Power Reserve

40h

50h

Pricing

1 specs

MSRP

$680

$6,600

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Praesidus 42mm AutomaticvsGrand Seiko STGK031

At a glance

Full specifications

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