Which is cheaper, the Aera Instruments C-1 or the Marathon Steel Navigator SSNAV Auto?

At MSRP the Marathon Steel Navigator SSNAV Auto is the cheaper of the two at $1,300, against $2,200 for the Aera Instruments C-1 — a $900 gap before any retailer discounting.

Which is bigger, the Aera Instruments C-1 or the Marathon Steel Navigator SSNAV Auto?

The Aera Instruments C-1 wears larger at 42mm versus 41mm for the Marathon Steel Navigator SSNAV Auto — a 1mm difference across the dial.

Which has better water resistance, the Aera Instruments C-1 or the Marathon Steel Navigator SSNAV Auto?

The Aera Instruments C-1 is rated to 100m versus 60m for the Marathon Steel Navigator SSNAV Auto.

Which has a longer power reserve, the Aera Instruments C-1 or the Marathon Steel Navigator SSNAV Auto?

The Aera Instruments C-1 carries a 56-hour power reserve against 40 hours on the Marathon Steel Navigator SSNAV Auto.

What movement does the Aera Instruments C-1 run compared to the Marathon Steel Navigator SSNAV Auto?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the Marathon Steel Navigator SSNAV Auto uses the Sellita SW200-1.

Side by side

Aera Instruments C-1vsMarathon Steel Navigator SSNAV Auto

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

Aera Instruments C-1

MSRP $2,200

Marathon Steel Navigator SSNAV Auto

41mm-steel-navigator-automatic-ssnav-auto-on-ballistic-nylon

MSRP $1,300

At a glance

12 of 29 specs differ

Diameter

C-142mm

Steel Navigator SSNAV Auto41mm

Power Reserve

C-156h

Steel Navigator SSNAV Auto40h

Water Resistance

C-1100m

Steel Navigator SSNAV Auto60m

MSRP

C-1$2,200

Steel Navigator SSNAV Auto$1,300

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Cloud

Black

Movement

3 specs

Caliber

SW510 BH B

Sellita SW200-1

Power Reserve

56h

40h

Jewels

Pricing

1 specs

MSRP

$2,200

$1,300

Follow this matchup

Get a note when Aera Instruments C-1 vs Marathon Steel Navigator SSNAV Auto gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring