Which is cheaper, the Aera Instruments C-1 or the NOMOS Glashütte Ahoi neomatik siren blue?

At MSRP the Aera Instruments C-1 is the cheaper of the two at $2,200, against $4,540 for the NOMOS Glashütte Ahoi neomatik siren blue — a $2,340 gap before any retailer discounting.

Which is bigger, the Aera Instruments C-1 or the NOMOS Glashütte Ahoi neomatik siren blue?

The Aera Instruments C-1 wears larger at 42mm versus 36.3mm for the NOMOS Glashütte Ahoi neomatik siren blue — a 5.7mm difference across the dial.

Which has better water resistance, the Aera Instruments C-1 or the NOMOS Glashütte Ahoi neomatik siren blue?

The NOMOS Glashütte Ahoi neomatik siren blue is rated to 200m versus 100m for the Aera Instruments C-1.

Which has a longer power reserve, the Aera Instruments C-1 or the NOMOS Glashütte Ahoi neomatik siren blue?

The NOMOS Glashütte Ahoi neomatik siren blue carries a 43 hours-hour power reserve against 56 hours on the Aera Instruments C-1.

What movement does the Aera Instruments C-1 run compared to the NOMOS Glashütte Ahoi neomatik siren blue?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the NOMOS Glashütte Ahoi neomatik siren blue uses the DUW 3001.

Side by side

Aera Instruments C-1vsNOMOS Glashütte Ahoi neomatik siren blue

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

Aera Instruments C-1

MSRP $2,200

NOMOS Glashütte Ahoi neomatik siren blue

562

MSRP $4,540

At a glance

16 of 29 specs differ

Diameter

C-142mm

Ahoi neomatik siren blue36.3mm

Power Reserve

C-156h

Ahoi neomatik siren blue43 hoursh

Water Resistance

C-1100m

Ahoi neomatik siren blue200m

MSRP

C-1$2,200

Ahoi neomatik siren blue$4,540

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Cloud

Blue

Indices

Applied

—

Movement

3 specs

Caliber

SW510 BH B

DUW 3001

Beat Rate

28,800 vph

21,600 vph

Power Reserve

56h

43 hoursh

Pricing

1 specs

MSRP

$2,200

$4,540

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