Which is cheaper, the NOMOS Glashütte Ahoi neomatik siren blue or the William Wood International Association of Fire?

At MSRP the William Wood International Association of Fire is the cheaper of the two at $820, against $4,540 for the NOMOS Glashütte Ahoi neomatik siren blue — a $3,720 gap before any retailer discounting.

Which is bigger, the NOMOS Glashütte Ahoi neomatik siren blue or the William Wood International Association of Fire?

The William Wood International Association of Fire wears larger at 41mm versus 36.3mm for the NOMOS Glashütte Ahoi neomatik siren blue — a 4.7mm difference across the dial.

Which has better water resistance, the NOMOS Glashütte Ahoi neomatik siren blue or the William Wood International Association of Fire?

The NOMOS Glashütte Ahoi neomatik siren blue is rated to 200m versus 100m for the William Wood International Association of Fire.

Which has a longer power reserve, the NOMOS Glashütte Ahoi neomatik siren blue or the William Wood International Association of Fire?

The William Wood International Association of Fire 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 William Wood International Association of Fire?

Both watches run automatic movements — the NOMOS Glashütte Ahoi neomatik siren blue uses the DUW 3001 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsWilliam Wood International Association of Fire

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

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

19 of 29 specs differ

Diameter

Ahoi neomatik siren blue36.3mm

International Association of Fire41mm

Power Reserve

Ahoi neomatik siren blue43 hoursh

International Association of Fire40h

Water Resistance

Ahoi neomatik siren blue200m

International Association of Fire100m

MSRP

Ahoi neomatik siren blue$4,540

International Association of Fire$820

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

Blue

Standard

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

$820

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