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 $1,100, against $4,999 for the Henry Archer Havstrøm — a $3,899 gap before any retailer discounting.

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

The Seiko Prospex Sea wears larger at 41.3mm versus 40mm for the Henry Archer Havstrøm — a 1.3mm difference across the dial.

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

The Seiko Prospex Sea is rated to 300m versus 200m for the Henry Archer Havstrøm.

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

The Seiko Prospex Sea 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 Sea?

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

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

spb481j1

MSRP $1,100

At a glance

12 of 29 specs differ

Diameter

Havstrøm40mm

Prospex Sea41.3mm

Power Reserve

Havstrøm40h

Prospex Sea72h

Water Resistance

Havstrøm200m

Prospex Sea300m

MSRP

Havstrøm$4,999

Prospex Sea$1,100

Full specifications

Case

5 specs

Diameter

40mm

41.3mm

Thickness

11mm

12.5mm

Lug-to-Lug

47mm

48.2mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

200m

300m

Crystal & Dial

3 specs

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

6R55

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$4,999

$1,100

Follow this matchup

Get a note when Henry Archer Havstrøm vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Henry Archermicro

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Henry Archer ØhavvsSeiko Prospex Sea Henry Archer Vesterhav 38vsSeiko Prospex Sea Seiko Prospex SeavsYema Diver Geckota Sea-Hunter Dive WatchvsSeiko Prospex Sea Dryden PathfindervsHenry Archer Havstrøm Henry Archer HavstrømvsSpinnaker Croft Pioneer

Edit this comparison Add another watch More diver comparisons Best Diver Watches Under $2,000 Explore more 39–43mm watches

Henry Archer HavstrømvsSeiko Prospex Sea

At a glance

Full specifications

Follow this matchup

More watches worth a look

Øhav

Pathfinder

Vesterhav 38

Croft Pioneer

Diver

Sea-Hunter Dive Watch

Arctic OSAR 41mm Automatic

Hydra SIII

People also compared