Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsSugess Seestern S434 Pro Diver

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

Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

19 of 29 specs differ
Diameter
Ahoi neomatik siren blue36.3mm
Seestern S434 Pro Diver40mm
Power Reserve
Ahoi neomatik siren blue43 hoursh
Seestern S434 Pro Diver40h
Water Resistance
Ahoi neomatik siren blue200m
Seestern S434 Pro Diver200m
MSRP
Ahoi neomatik siren blue$4,540
Seestern S434 Pro Diver$249

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
36.3mm
40mm
Thickness
9.6mm
12mm
Lug-to-Lug
45.5mm
46mm
Lug Width
18mm
20mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Finish
Brushed and polished
Caseback
Engraved

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
2 Salmon
Indices
Applied
Lume
None
Super-LumiNova BGW9

Movement

5 specs
Caliber
DUW 3001
NH35
Beat Rate
21,600 vph
3 vph
Power Reserve
43 hoursh
40h
Jewels
27
25
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$4,540
$249

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

NOMOS Glashütte Ahoi neomatik siren blue

Owners and reviewers widely praise the NOMOS Glashütte Ahoi neomatik siren blue for its vibrant siren blue dial, which pops in any light, and its Bauhaus design language with arresting simplicity. The subtle rose gold accents, neon orange details, and color-matched date window at 6 o'clock are noted as well-thought-out elements. The slim 9.8mm case and 200m water resistance are also highlighted. However, the lume on the hour markers is considered weak and fades quickly, and the watch is not a true ISO-certified diver due to the lack of a dive bezel. Some find the textile strap too casual for anything beyond sophisticated casual wear, and the straight lugs can create a large feel on the wrist. The DUW 3001 movement offers a 43-hour power reserve. On balance, owners and reviewers rate the NOMOS Glashütte Ahoi neomatik siren blue highly for its striking dial and refined, yet casual, aesthetic.

Sugess Seestern S434 Pro Diver

Owners widely praise the Sugess Seestern S434 Pro Diver for its impressive finishing and craftsmanship at its price point, highlighting the applied indices that play with light, excellent BGW9 lume, and attractive color options. Specific positive notes include the domed sapphire crystal, short lug-to-lug, and on-the-fly clasp adjustment. However, some owners report quality control issues such as misaligned bezels or indices, while others with V2 models experience no such problems. Caveats include slight bezel back play, light AR coating on the crystal, and a clasp that could be smoother, with one owner desiring a color-matched date wheel. On balance, owners rate the Sugess Seestern S434 Pro Diver highly for its exceptional value and build quality, particularly the dial finishing and lume.

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