Which is cheaper, the NOMOS Glashütte Ahoi neomatik siren blue or the Seestern S471 Double Crown Diver?

At MSRP the Seestern S471 Double Crown Diver is the cheaper of the two at $179, against $4,540 for the NOMOS Glashütte Ahoi neomatik siren blue — a $4,361 gap before any retailer discounting.

Which is bigger, the NOMOS Glashütte Ahoi neomatik siren blue or the Seestern S471 Double Crown Diver?

The Seestern S471 Double Crown Diver 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 Seestern S471 Double Crown Diver?

The NOMOS Glashütte Ahoi neomatik siren blue is rated to 200m versus 100m for the Seestern S471 Double Crown Diver.

Which has a longer power reserve, the NOMOS Glashütte Ahoi neomatik siren blue or the Seestern S471 Double Crown Diver?

The NOMOS Glashütte Ahoi neomatik siren blue carries a 43 hours-hour power reserve against 35h+ hours on the Seestern S471 Double Crown Diver.

What movement does the NOMOS Glashütte Ahoi neomatik siren blue run compared to the Seestern S471 Double Crown Diver?

Both watches run automatic movements — the NOMOS Glashütte Ahoi neomatik siren blue uses the DUW 3001 and the Seestern S471 Double Crown Diver uses the Miyota 8215.

Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsSeestern S471 Double Crown Diver

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

Seestern S471 Double Crown Diver

S471

MSRP $179

At a glance

18 of 29 specs differ

Diameter

Ahoi neomatik siren blue36.3mm

S471 Double Crown Diver38mm

Power Reserve

Ahoi neomatik siren blue43 hoursh

S471 Double Crown Diver35h+h

Water Resistance

Ahoi neomatik siren blue200m

S471 Double Crown Diver100m

MSRP

Ahoi neomatik siren blue$4,540

S471 Double Crown Diver$179

Full specifications

Case

9 specs

Crystal & Dial

3 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Indices

—

Applied

Movement

5 specs

Caliber

DUW 3001

Miyota 8215

Beat Rate

21,600 vph

3 vph

Power Reserve

43 hoursh

35h+h

Jewels

Complications

None

Date

Pricing

1 specs

MSRP

$4,540

$179

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