Side by side

Signum CerovsGrand Seiko SLGB023

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

Add a watch
Cero
SignumCero
MSRP $519
SLGB023
Grand SeikoSLGB023
MSRP $12,400
Buy from Signum ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Cero39.5mm
SLGB02340.8mm
Power Reserve
Cero—
SLGB02372h
Water Resistance
Cero200m
SLGB023300m
MSRP
Cero$519
SLGB023$12,400

Full specifications

Case

7 specs
Category
—
Diver
Diameter
39.5mm
40.8mm
Thickness
13.4mm
12.9mm
Lug-to-Lug
—
48.5mm
Lug Width
—
21mm
Material
Bronze
Titanium
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
—
Black

Movement

3 specs
Caliber
Seiko NH35
9RB1
Type
Automatic
Spring Drive
Power Reserve
—
72h

Pricing

1 specs
MSRP
$519
$12,400
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.

Ventus Watches Northstar
Ventus Watchesmicro

Northstar

8 variantsRef. northstar-n-08
40mm·Automatic·300m WR
—MSRP
—Used
Baltic Aquascaphe Titanium
Balticmicro

Aquascaphe Titanium

2 variantsAquascaphe Titanium
41mm·Automatic·300m WR
$788MSRP
—Used
DIFICIANO Marlin
DIFICIANOmicro

Marlin

4 variantsRef.
40mm·Automatic·300m WR
$399MSRP
—Used
Helgray Poseidon Diver (Automatic)
Helgraymicro

Poseidon Diver (Automatic)

Ref. poseidon-diver-automatic
40mm·Automatic·300m WR
$249MSRP
—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
Boldr Blastoise
Boldrmicro
Pokémon Collab

Blastoise

Ref. blastoise
40mm·Automatic·200m WR
$449MSRP
—Used
Ventus Watches Mori
Ventus Watchesmicro

Mori

14 variantsRef. mori-2-300m-steel-diver-m-8
41mm·Automatic·300m WR
—MSRP
—Used
Bremont Supermarine 300M
Bremontmicro

Supermarine 300M

8 watches · 39 variantsSupermarine
40mm·Automatic·300m WR
$3,550MSRP
—Used
All alternatives to the Cero →All alternatives to the SLGB023 →
Explore the full catalog

Follow this matchup

Get a note when Signum Cero vs Grand Seiko SLGB023 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.

Grand Seiko SLGB023vsVentus Watches NorthstarDIFICIANO MarlinvsGrand Seiko SLGB023Serket Watch Co Reef MarianavsGrand Seiko SLGB023Grand Seiko SLGB023vsVentus Watches MoriBaltic Aquascaphe TitaniumvsSignum CeroHelgray Poseidon Diver (Automatic)vsSignum Cero
Edit this comparisonAdd another watchExplore more 38–42mm watches