Which is cheaper, the Henry Archer Kvantum or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

At MSRP the Henry Archer Kvantum is the cheaper of the two at $2,199, against $2,500 for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a $301 gap before any retailer discounting.

Which is bigger, the Henry Archer Kvantum or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Seiko Prospex SPEEDTIMER Mechanical Chronograph wears larger at 42mm versus 41mm for the Henry Archer Kvantum — a 1mm difference across the dial.

Which has better water resistance, the Henry Archer Kvantum or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Henry Archer Kvantum is rated to 50m versus 10m for the Seiko Prospex SPEEDTIMER Mechanical Chronograph.

Which has a longer power reserve, the Henry Archer Kvantum or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Seiko Prospex SPEEDTIMER Mechanical Chronograph carries a 45-hour power reserve against 40 hours on the Henry Archer Kvantum.

What movement does the Henry Archer Kvantum run compared to the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Henry Archer Kvantum runs a quartz caliber (Seiko VK64), while the Seiko Prospex SPEEDTIMER Mechanical Chronograph runs a automatic (8R48).

Side by side

Henry Archer KvantumvsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

Add a watch

Henry Archer Kvantum

5744002550563

MSRP $2,199

Seiko Prospex SPEEDTIMER Mechanical Chronograph

srq047j1

MSRP $2,500

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At a glance

14 of 29 specs differ

Diameter

Kvantum41mm

Prospex SPEEDTIMER Mechanical Chronograph42mm

Power Reserve

Kvantum40h

Prospex SPEEDTIMER Mechanical Chronograph45h

Water Resistance

Kvantum50m

Prospex SPEEDTIMER Mechanical Chronograph100m

MSRP

Kvantum$2,199

Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

5 specs

Diameter

41mm

42mm

Thickness

12mm

14.6mm

Lug-to-Lug

48mm

49.5mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

50m

100m

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Tan

Black

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seiko VK64

8R48

Type

Quartz

Automatic

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$2,199

$2,500

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