Which is cheaper, the NOMOS Glashütte Ahoi neomatik siren blue or the Praesidus 42mm Automatic?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $4,540 for the NOMOS Glashütte Ahoi neomatik siren blue — a $3,860 gap before any retailer discounting.

Which is bigger, the NOMOS Glashütte Ahoi neomatik siren blue or the Praesidus 42mm Automatic?

The Praesidus 42mm Automatic wears larger at 38mm versus 36.3mm for the NOMOS Glashütte Ahoi neomatik siren blue — a 1.7mm difference across the dial.

Which has better water resistance, the NOMOS Glashütte Ahoi neomatik siren blue or the Praesidus 42mm Automatic?

The NOMOS Glashütte Ahoi neomatik siren blue is rated to 200m versus 100m for the Praesidus 42mm Automatic.

Which has a longer power reserve, the NOMOS Glashütte Ahoi neomatik siren blue or the Praesidus 42mm Automatic?

The Praesidus 42mm Automatic carries a 40-hour power reserve against 43 hours hours on the NOMOS Glashütte Ahoi neomatik siren blue.

What movement does the NOMOS Glashütte Ahoi neomatik siren blue run compared to the Praesidus 42mm Automatic?

Both watches run automatic movements — the NOMOS Glashütte Ahoi neomatik siren blue uses the DUW 3001 and the Praesidus 42mm Automatic uses the Seiko NH35.

Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsPraesidus 42mm Automatic

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

NOMOS Glashütte Ahoi neomatik siren blue

562

MSRP $4,540

Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

At a glance

17 of 29 specs differ

Diameter

Ahoi neomatik siren blue36.3mm

42mm Automatic38mm

Power Reserve

Ahoi neomatik siren blue43 hoursh

42mm Automatic40h

Water Resistance

Ahoi neomatik siren blue200m

42mm Automatic100m

MSRP

Ahoi neomatik siren blue$4,540

42mm Automatic$680

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

Blue

42mm Automatic

Indices

—

Applied

Movement

4 specs

Caliber

DUW 3001

Seiko NH35

Beat Rate

21,600 vph

28,800 vph

Power Reserve

43 hoursh

40h

Jewels

Pricing

1 specs

MSRP

$4,540

$680

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