Which is cheaper, the NOMOS Glashütte Ahoi neomatik siren blue or the Hemel HFC Mechanical Chronograph?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $4,540 for the NOMOS Glashütte Ahoi neomatik siren blue — a $3,990 gap before any retailer discounting.

Which is bigger, the NOMOS Glashütte Ahoi neomatik siren blue or the Hemel HFC Mechanical Chronograph?

The Hemel HFC Mechanical Chronograph wears larger at 40mm versus 36.3mm for the NOMOS Glashütte Ahoi neomatik siren blue — a 3.7mm difference across the dial.

Which has better water resistance, the NOMOS Glashütte Ahoi neomatik siren blue or the Hemel HFC Mechanical Chronograph?

The NOMOS Glashütte Ahoi neomatik siren blue is rated to 200m versus 100m for the Hemel HFC Mechanical Chronograph.

Which has a longer power reserve, the NOMOS Glashütte Ahoi neomatik siren blue or the Hemel HFC Mechanical Chronograph?

The Hemel HFC Mechanical Chronograph 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 Hemel HFC Mechanical Chronograph?

The NOMOS Glashütte Ahoi neomatik siren blue runs a automatic caliber (DUW 3001), while the Hemel HFC Mechanical Chronograph runs a manual (Seagull ST19).

Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsHemel HFC Mechanical Chronograph

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

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

At a glance

20 of 29 specs differ

Diameter

Ahoi neomatik siren blue36.3mm

HFC Mechanical Chronograph40mm

Power Reserve

Ahoi neomatik siren blue43 hoursh

HFC Mechanical Chronograph40h

Water Resistance

Ahoi neomatik siren blue200m

HFC Mechanical Chronograph100m

MSRP

Ahoi neomatik siren blue$4,540

HFC Mechanical Chronograph$550

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

Blue

Airfoil (1970s British Pilot)

Indices

—

Applied

Movement

5 specs

Caliber

DUW 3001

Seagull ST19

Type

Automatic

Manual

Beat Rate

21,600 vph

28,800 vph

Power Reserve

43 hoursh

40h

Jewels

Pricing

1 specs

MSRP

$4,540

$550

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