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

At MSRP the Seiko Prospex Sea is the cheaper of the two at $900, against $4,999 for the Henry Archer Havstrøm — a $4,099 gap before any retailer discounting.

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

The Seiko Prospex Sea wears larger at 41mm versus 40mm for the Henry Archer Havstrøm — a 1mm difference across the dial.

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

The Seiko Prospex Sea carries a 70-hour power reserve against 40 hours on the Henry Archer Havstrøm.

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

Both watches run automatic movements — the Henry Archer Havstrøm uses the Miyota 9019 and the Seiko Prospex Sea uses the 6R35.

Side by side

Henry Archer HavstrømvsSeiko Prospex Sea

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 Sea

spb317j1

MSRP $900

At a glance

12 of 29 specs differ

Diameter

Havstrøm40mm

Prospex Sea41mm

Power Reserve

Havstrøm40h

Prospex Sea70h

Water Resistance

Havstrøm200m

Prospex Sea200m

MSRP

Havstrøm$4,999

Prospex Sea$900

Full specifications

Case

4 specs

Diameter

40mm

41mm

Thickness

11mm

12.3mm

Lug-to-Lug

47mm

46.9mm

Material

316L Stainless Steel

Stainless Steel

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, index(es) and bezel

Movement

3 specs

Caliber

Miyota 9019

6R35

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$4,999

$900

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Henry Archer HavstrømvsSeiko Prospex Sea

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Full specifications

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