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

At MSRP the Seiko Prospex SPEEDTIMER Mechanical is the cheaper of the two at $995, against $4,999 for the Henry Archer Havstrøm — a $4,004 gap before any retailer discounting.

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

The Henry Archer Havstrøm wears larger at 40mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 0.5mm difference across the dial.

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

The Henry Archer Havstrøm is rated to 200m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

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

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-hour power reserve against 40 hours on the Henry Archer Havstrøm.

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

Both watches run automatic movements — the Henry Archer Havstrøm uses the Miyota 9019 and the Seiko Prospex SPEEDTIMER Mechanical uses the 6R55.

Side by side

Henry Archer HavstrømvsSeiko Prospex SPEEDTIMER Mechanical

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

Henry Archer Havstrøm

havstrom-icewake

MSRP $4,999

Seiko Prospex SPEEDTIMER Mechanical

spb513j1

MSRP $995

At a glance

13 of 29 specs differ

Diameter

Havstrøm40mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

Havstrøm40h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

Havstrøm200m

Prospex SPEEDTIMER Mechanical200m

MSRP

Havstrøm$4,999

Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Icewake

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 9019

6R55

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$4,999

$995

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