Which is cheaper, the Henry Archer Kvantum or the Grand Seiko SBGW258?

At MSRP the Henry Archer Kvantum is the cheaper of the two at $2,199, against $26,000 for the Grand Seiko SBGW258 — a $23,801 gap before any retailer discounting.

Which is bigger, the Henry Archer Kvantum or the Grand Seiko SBGW258?

The Henry Archer Kvantum wears larger at 41mm versus 38mm for the Grand Seiko SBGW258 — a 3mm difference across the dial.

Which has better water resistance, the Henry Archer Kvantum or the Grand Seiko SBGW258?

The Henry Archer Kvantum is rated to 50m versus 30m for the Grand Seiko SBGW258.

Which has a longer power reserve, the Henry Archer Kvantum or the Grand Seiko SBGW258?

The Grand Seiko SBGW258 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 SBGW258?

The Henry Archer Kvantum runs a quartz caliber (Seiko VK64), while the Grand Seiko SBGW258 runs a manual (9S64).

Side by side

Henry Archer KvantumvsGrand Seiko SBGW258

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 SBGW258

sbgw258j

MSRP $26,000

At a glance

13 of 29 specs differ

Diameter

Kvantum41mm

SBGW25838mm

Power Reserve

Kvantum40h

SBGW25872h

Water Resistance

Kvantum50m

SBGW25830m

MSRP

Kvantum$2,199

SBGW258$26,000

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

Tan

Black

Movement

3 specs

Caliber

Seiko VK64

9S64

Type

Quartz

Manual

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$2,199

$26,000

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Henry Archer KvantumvsGrand Seiko SBGW258

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