Side by side

Seiko Prospex SeavsVentus Watches Northstar

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

Add a watch
Prospex Sea
SeikoProspex Sea
Northstar
Ventus WatchesNorthstar
Buy from Seiko ↗
Buy used on eBay ↗
Buy from Ventus Watches ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
Prospex Sea42mm
Northstar40mm
Power Reserve
Prospex Sea72h
Northstar—
Water Resistance
Prospex Sea300m
Northstar300m
MSRP
Prospex Sea—
Northstar—

Full specifications

Case

4 specs
Category
Diver
—
Diameter
42mm
40mm
Thickness
13.3mm
13mm
Lug-to-Lug
48.6mm
45mm

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R54
Seiko NH35
Power Reserve
72h
—
Jewels
24
25
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.

Borealis Watch Co. Jamanta
Borealis Watch Co.micro

Jamanta

5 variantsJamanta
42.50mm·Automatic·300m WR
$415MSRP
—Used
DIFICIANO Marlin
DIFICIANOmicro

Marlin

4 variantsRef.
40mm·Automatic·300m WR
$399MSRP
—Used
Borealis Watch Co. Caloura 300m
Borealis Watch Co.micro

Caloura 300m

4 variantsCaloura 300m
42mm·Automatic·300m WR
$275MSRP
—Used
Serket Watch Co Reef Mariana
Serket Watch Comicro

Reef Mariana

4 variantsRef. reef-x-mariana-diver-orange-dial-black-bezel-40mm-pre-order
40mm·Automatic·200m WR
$449MSRP
—Used
Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
Islandermicro
Under $50

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

9 watches · 9 variantsUnder $50
40mm·Automatic·200m WR
$399MSRP
—Used
Boldr Odyssey Freediver
Boldrmicro

Odyssey Freediver

7 variantsRef. odyssey-freediver-202
40mm·Automatic·300m WR
$649MSRP
—Used
Noctua Watch Corp. PD-1
Noctua Watch Corp.micro

PD-1

Ref. noctua-watch-corp-pd-1
42mm·Automatic·300m WR
$429MSRP
—Used
Baltic Aquascaphe Titanium
Balticmicro

Aquascaphe Titanium

2 variantsAquascaphe Titanium
41mm·Automatic·300m WR
$788MSRP
—Used
All alternatives to the Prospex Sea →All alternatives to the Northstar →
Explore the full catalog

Follow this matchup

Get a note when Seiko Prospex Sea vs Ventus Watches Northstar gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

Borealis Watch Co. JamantavsVentus Watches NorthstarBorealis Watch Co. Caloura 300mvsVentus Watches NorthstarBorealis Watch Co. Estoril 300 GMTvsVentus Watches NorthstarBoldr Odyssey FreedivervsVentus Watches NorthstarDIFICIANO MarlinvsSeiko Prospex SeaSeiko Prospex SeavsSerket Watch Co Reef Mariana
Edit this comparisonAdd another watchExplore more 39–43mm watches