Which is cheaper, the Henry Archer Kvantum or the Grand Seiko SLGB001?

At MSRP the Henry Archer Kvantum is the cheaper of the two at $2,199, against $39,000 for the Grand Seiko SLGB001 — a $36,801 gap before any retailer discounting.

Which is bigger, the Henry Archer Kvantum or the Grand Seiko SLGB001?

The Henry Archer Kvantum wears larger at 41mm versus 37mm for the Grand Seiko SLGB001 — a 4mm difference across the dial.

Which has better water resistance, the Henry Archer Kvantum or the Grand Seiko SLGB001?

The Grand Seiko SLGB001 is rated to 100m versus 50m for the Henry Archer Kvantum.

Which has a longer power reserve, the Henry Archer Kvantum or the Grand Seiko SLGB001?

The Grand Seiko SLGB001 carries a 72-hour power reserve against 40 hours on the Henry Archer Kvantum.

What movement does the Henry Archer Kvantum run compared to the Grand Seiko SLGB001?

The Henry Archer Kvantum runs a quartz caliber (Seiko VK64), while the Grand Seiko SLGB001 runs a spring drive (9RB2).

Side by side

Henry Archer KvantumvsGrand Seiko SLGB001

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

Henry Archer Kvantum

5744002550563

MSRP $2,199

Grand Seiko SLGB001

slgb001j

MSRP $39,000

At a glance

12 of 29 specs differ

Diameter

Kvantum41mm

SLGB00137mm

Power Reserve

Kvantum40h

SLGB00172h

Water Resistance

Kvantum50m

SLGB001100m

MSRP

Kvantum$2,199

SLGB001$39,000

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

Tan

Black

Movement

3 specs

Caliber

Seiko VK64

9RB2

Type

Quartz

Spring Drive

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$2,199

$39,000

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Henry Archer KvantumvsGrand Seiko SLGB001

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