Which is cheaper, the Boldr Blastoise or the Signum Cero?

At MSRP the Boldr Blastoise is the cheaper of the two at $449, against $519 for the Signum Cero — a $70 gap before any retailer discounting.

Which is bigger, the Boldr Blastoise or the Signum Cero?

The Boldr Blastoise wears larger at 40mm versus 39.5mm for the Signum Cero — a 0.5mm difference across the dial.

What movement does the Boldr Blastoise run compared to the Signum Cero?

Both watches run automatic movements — the Boldr Blastoise uses the Seiko (SII) NH37 and the Signum Cero uses the Seiko NH35.

Side by side

Boldr BlastoisevsSignum Cero

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

Add a watch

Boldr Blastoise

blastoise

MSRP $449

Signum Cero

signum-cero-bronze-labradorite-blue-or-purple

MSRP $519

At a glance

11 of 29 specs differ

Diameter

Blastoise40mm

Cero39.5mm

Power Reserve

Blastoise40h

Cero—

Water Resistance

Blastoise200m

Cero200m

MSRP

Blastoise$449

Cero$519

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Blastoise

—

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Seiko (SII) NH37

Seiko NH35

Power Reserve

40h

—

Pricing

1 specs

MSRP

$449

$519

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Boldr BlastoisevsSignum Cero

At a glance

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