Which is cheaper, the Bremont Vulcan or the Grand Seiko SLGB001?

At MSRP the Bremont Vulcan is the cheaper of the two at $5,150, against $39,000 for the Grand Seiko SLGB001 — a $33,850 gap before any retailer discounting.

Which is bigger, the Bremont Vulcan or the Grand Seiko SLGB001?

The Bremont Vulcan wears larger at 42mm versus 37mm for the Grand Seiko SLGB001 — a 5mm difference across the dial.

Which has a longer power reserve, the Bremont Vulcan or the Grand Seiko SLGB001?

The Grand Seiko SLGB001 carries a 72-hour power reserve against 40 hours on the Bremont Vulcan.

What movement does the Bremont Vulcan run compared to the Grand Seiko SLGB001?

The Bremont Vulcan runs a automatic caliber, while the Grand Seiko SLGB001 runs a spring drive (9RB2).

Side by side

Bremont VulcanvsGrand Seiko SLGB001

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

Bremont Vulcan

VULCAN-R-S

MSRP $5,150

Grand Seiko SLGB001

slgb001j

MSRP $39,000

At a glance

12 of 29 specs differ

Diameter

Vulcan42mm

SLGB00137mm

Power Reserve

Vulcan40h

SLGB00172h

Water Resistance

Vulcan—

SLGB001100m

MSRP

Vulcan$5,150

SLGB001$39,000

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

Regular length (15cm - 19cm wrist size)

Black

Movement

3 specs

Caliber

—

9RB2

Type

Automatic

Spring Drive

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$5,150

$39,000

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Bremont VulcanvsGrand Seiko SLGB001

At a glance

Full specifications

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