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

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

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

The Seiko Prospex Sea carries a 72-hour power reserve against 40 hours on the Henry Archer Nordlys.

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

Both watches run automatic movements — the Seiko Prospex Sea uses the 6R54 and the Henry Archer Nordlys uses the Miyota 9015.

Side by side

Seiko Prospex SeavsHenry Archer Nordlys

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

Seiko Prospex Sea

hbc001j1

Henry Archer Nordlys

5744002550358

MSRP $3,299

At a glance

12 of 29 specs differ

Diameter

Prospex Sea42mm

Nordlys42mm

Power Reserve

Prospex Sea72h

Nordlys40h

Water Resistance

Prospex Sea300m

Nordlys200m

MSRP

Prospex Sea—

Nordlys$3,299

Full specifications

Case

4 specs

Thickness

13.3mm

11mm

Lug-to-Lug

48.6mm

—

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

200m

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

Blue

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

6R54

Miyota 9015

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

—

$3,299

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Seiko Prospex SeavsHenry Archer Nordlys

At a glance

Full specifications

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