Which is cheaper, the Aera Instruments D-1 or the Zelos Nova 37?

At MSRP the Zelos Nova 37 is the cheaper of the two at $899, against $2,000 for the Aera Instruments D-1 — a $1,101 gap before any retailer discounting.

Which is bigger, the Aera Instruments D-1 or the Zelos Nova 37?

The Aera Instruments D-1 wears larger at 44mm versus 37mm for the Zelos Nova 37 — a 7mm difference across the dial.

Which has better water resistance, the Aera Instruments D-1 or the Zelos Nova 37?

The Aera Instruments D-1 is rated to 300m versus 50m for the Zelos Nova 37.

What movement does the Aera Instruments D-1 run compared to the Zelos Nova 37?

The Aera Instruments D-1 runs a automatic caliber (Sellita SW200-1), while the Zelos Nova 37 runs a manual (ETA/Peseux 7001).

Side by side

Aera Instruments D-1vsZelos Nova 37

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

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Aera Instruments D-1

d-1-diver

MSRP $2,000

See the full D-1

Zelos Nova 37

MSRP $899

See the full Nova 37

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At a glance

13 of 29 specs differ

Diameter

D-144mm

Nova 3737mm

Power Reserve

D-141h

Nova 37—

Water Resistance

D-1300m

Nova 3750m

MSRP

D-1$2,000

Nova 37$899

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

—

Salmon

Movement

3 specs

Caliber

Sellita SW200-1

ETA/Peseux 7001

Type

Automatic

Manual

Power Reserve

41h

Pricing

1 specs

MSRP

$2,000

$899

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