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

At MSRP the Henry Archer Kvantum is the cheaper of the two at $2,199, against $2,200 for the Seiko Prospex SPEEDTIMER — a $1 gap before any retailer discounting.

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

The Seiko Prospex SPEEDTIMER 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?

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

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

Both watches run quartz movements — the Henry Archer Kvantum uses the Seiko VK64 and the Seiko Prospex SPEEDTIMER uses the 5X83.

Side by side

Henry Archer KvantumvsSeiko Prospex SPEEDTIMER

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

Henry Archer Kvantum

5744002550563

MSRP $2,199

Seiko Prospex SPEEDTIMER

ssh165j1

MSRP $2,200

At a glance

12 of 29 specs differ

Diameter

Kvantum41mm

Prospex SPEEDTIMER42mm

Power Reserve

Kvantum40h

Prospex SPEEDTIMER40h

Water Resistance

Kvantum50m

Prospex SPEEDTIMER100m

MSRP

Kvantum$2,199

Prospex SPEEDTIMER$2,200

Full specifications

Case

5 specs

Diameter

41mm

42mm

Thickness

12mm

12.9mm

Lug-to-Lug

48mm

49.6mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

50m

100m

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Super-clear coating

Dial Color

Tan

Black

Lume

None

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

Seiko VK64

5X83

Jewels

Pricing

1 specs

MSRP

$2,199

$2,200

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Henry Archer KvantumvsSeiko Prospex SPEEDTIMER

At a glance

Full specifications

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