Which is cheaper, the Aera Instruments C-1 or the Zelos Hammerhead V3 300m Titanium?

At MSRP the Zelos Hammerhead V3 300m Titanium is the cheaper of the two at $559, against $2,200 for the Aera Instruments C-1 — a $1,641 gap before any retailer discounting.

Which is bigger, the Aera Instruments C-1 or the Zelos Hammerhead V3 300m Titanium?

The Zelos Hammerhead V3 300m Titanium wears larger at 44mm versus 42mm for the Aera Instruments C-1 — a 2mm difference across the dial.

Which has better water resistance, the Aera Instruments C-1 or the Zelos Hammerhead V3 300m Titanium?

The Zelos Hammerhead V3 300m Titanium is rated to 300m versus 100m for the Aera Instruments C-1.

Which has a longer power reserve, the Aera Instruments C-1 or the Zelos Hammerhead V3 300m Titanium?

The Aera Instruments C-1 carries a 56-hour power reserve against 40 hours on the Zelos Hammerhead V3 300m Titanium.

What movement does the Aera Instruments C-1 run compared to the Zelos Hammerhead V3 300m Titanium?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the Zelos Hammerhead V3 300m Titanium uses the Seiko NH35.

Side by side

Aera Instruments C-1vsZelos Hammerhead V3 300m Titanium

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

Aera Instruments C-1

MSRP $2,200

Zelos Hammerhead V3 300m Titanium

zelos-hammerhead-v3-300m-ti

MSRP $559

At a glance

12 of 29 specs differ

Diameter

C-142mm

Hammerhead V3 300m Titanium44mm

Power Reserve

C-156h

Hammerhead V3 300m Titanium40h

Water Resistance

C-1100m

Hammerhead V3 300m Titanium300m

MSRP

C-1$2,200

Hammerhead V3 300m Titanium$559

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Cloud

Ti - Mosaic MOP

Movement

3 specs

Caliber

SW510 BH B

Seiko NH35

Power Reserve

56h

40h

Jewels

Pricing

1 specs

MSRP

$2,200

$559

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