Which is cheaper, the Praesidus A-11 SAIT or the Grand Seiko SLGB001?

At MSRP the Praesidus A-11 SAIT is the cheaper of the two at $300, against $39,000 for the Grand Seiko SLGB001 — a $38,700 gap before any retailer discounting.

Which is bigger, the Praesidus A-11 SAIT or the Grand Seiko SLGB001?

The Praesidus A-11 SAIT wears larger at 38mm versus 37mm for the Grand Seiko SLGB001 — a 1mm difference across the dial.

Which has a longer power reserve, the Praesidus A-11 SAIT or the Grand Seiko SLGB001?

The Grand Seiko SLGB001 carries a 72-hour power reserve against 40 hours on the Praesidus A-11 SAIT.

What movement does the Praesidus A-11 SAIT run compared to the Grand Seiko SLGB001?

The Praesidus A-11 SAIT runs a automatic caliber (Seiko NH35), while the Grand Seiko SLGB001 runs a spring drive (9RB2).

Side by side

Praesidus A-11 SAITvsGrand Seiko SLGB001

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

Praesidus A-11 SAIT

P-38-SA-MB-SDCSG

MSRP $300

Grand Seiko SLGB001

slgb001j

MSRP $39,000

At a glance

12 of 29 specs differ

Diameter

A-11 SAIT38mm

SLGB00137mm

Power Reserve

A-11 SAIT40h

SLGB00172h

Water Resistance

A-11 SAIT100m

SLGB001100m

MSRP

A-11 SAIT$300

SLGB001$39,000

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

SAIT

Black

Movement

3 specs

Caliber

Seiko NH35

9RB2

Type

Automatic

Spring Drive

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$300

$39,000

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