Side by side

Archimede Watches DeckwatchvsSeiko Prospex Sea

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

Add a watch
Deckwatch
Archimede WatchesDeckwatch
MSRP $960
Prospex Sea
SeikoProspex Sea
MSRP $900
Buy from Archimede Watches ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Deckwatch42mm
Prospex Sea41mm
Power Reserve
Deckwatch—
Prospex Sea70h
Water Resistance
Deckwatch200m
Prospex Sea200m
MSRP
Deckwatch$960
Prospex Sea$900

Full specifications

Case

4 specs
Category
—
Diver
Diameter
42mm
41mm
Thickness
—
12.3mm
Lug-to-Lug
—
46.9mm

Crystal & Dial

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

Movement

4 specs
Caliber
ETA Unitas 6498
6R35
Type
Manual
Automatic
Power Reserve
—
70h
Jewels
25
24

Pricing

1 specs
MSRP
$960
$900
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.

Kobold Polar Surveyor Chronograph
Koboldmicro

Polar Surveyor Chronograph

Ref. polar-surveyor-chronograph
41mm·Automatic·300m WR
$9,250MSRP
—Used
Borealis Watch Co. Porto Covo
Borealis Watch Co.micro

Porto Covo

2 variantsPorto Covo
40mm·Automatic·300m WR
$415MSRP
—Used
Kobold Phantom Chronograph
Koboldmicro

Phantom Chronograph

Ref. phantom-chronograph-i
41mm·Automatic·300m WR
$6,250MSRP
—Used
Baltic Aquascaphe Titanium
Balticmicro

Aquascaphe Titanium

2 variantsAquascaphe Titanium
41mm·Automatic·300m WR
$788MSRP
—Used
Olech & Wajs Watches SILVERKNIGHT
Olech & Wajs Watchesmicro

SILVERKNIGHT

Ref. ow-silverknight
42mm·Manual·200m WR
—MSRP
—Used
Boldr Charizard
Boldrmicro
Pokémon Collab

Charizard

Ref. charizard
40mm·Automatic·200m WR
$449MSRP
—Used
Sugess MoonPhase Master S389-2 Salmon Dial Swan Neck Regulator Racing Strap
Sugesshomage

MoonPhase Master S389-2 Salmon Dial Swan Neck Regulator Racing Strap

Ref. moonphase-master-s389-2-salmon-dial-swan-neck-regulator-racing-strap
41mm·Manual
$209MSRP
—Used
Boldr Odyssey 40mm
Boldrmicro

Odyssey 40mm

9 variantsRef. odyssey-aurora
40mm·Automatic·300m WR
$799MSRP
—Used
All alternatives to the Deckwatch →All alternatives to the Prospex Sea →
Explore the full catalog

Follow this matchup

Get a note when Archimede Watches Deckwatch vs Seiko Prospex Sea 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.

Archimede Watches deckwatch 42mm hand-wound small-seconds, Arabic numeralsvsSeiko Prospex SeaArchimede Watches Deckwatch integrated-bracelet sports chronograph 42mm (3 subdials, applied markers)vsSeiko Prospex SeaKobold Polar Surveyor ChronographvsSeiko Prospex SeaKobold Phantom ChronographvsSeiko Prospex SeaArchimede Watches DeckwatchvsBorealis Watch Co. Porto CovoBaltic Aquascaphe TitaniumvsArchimede Watches Deckwatch
Edit this comparisonAdd another watchExplore more 40–43mm watches