Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsGeckota GT Racing Chronograph

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

GT Racing Chronograph
GeckotaGT Racing Chronograph
MSRP $399

At a glance

19 of 29 specs differ
Diameter
Ahoi neomatik siren blue36.3mm
GT Racing Chronograph40mm
Power Reserve
Ahoi neomatik siren blue43 hoursh
GT Racing Chronograph40h
Water Resistance
Ahoi neomatik siren blue200m
GT Racing Chronograph50m
MSRP
Ahoi neomatik siren blue$4,540
GT Racing Chronograph$399

Full specifications

Case

9 specs
Category
Tool
Chronograph
Diameter
36.3mm
40mm
Thickness
9.6mm
12.7mm
Lug-to-Lug
45.5mm
Lug Width
18mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Black
Indices
Applied

Movement

5 specs
Caliber
DUW 3001
Type
Automatic
Quartz
Beat Rate
21,600 vph
28,800 vph
Power Reserve
43 hoursh
40h
Jewels
27
25

Pricing

1 specs
MSRP
$4,540
$399

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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.

Geckota GT Racing Chronograph

The Geckota GT Racing strap is praised for its quality leather, crisp stitching, and beautiful patina, offering excellent value at less than half the price of similar vintage straps. Some owners find the 125/80mm length longer than ideal, and the keeper potentially smaller. On balance, owners rate the Geckota GT Racing strap highly for its quality and value, despite minor concerns about its length and keeper size.

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