Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsLongines FLAGSHIP CLASSIC

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

FLAGSHIP CLASSIC
LonginesFLAGSHIP CLASSIC
MSRP $2,700

At a glance

19 of 29 specs differ
Diameter
Ahoi neomatik siren blue36.3mm
FLAGSHIP CLASSIC30mm
Power Reserve
Ahoi neomatik siren blue43 hoursh
FLAGSHIP CLASSIC
Water Resistance
Ahoi neomatik siren blue200m
FLAGSHIP CLASSIC30m
MSRP
Ahoi neomatik siren blue$4,540
FLAGSHIP CLASSIC$2,700

Full specifications

Case

8 specs
Category
Tool
Diameter
36.3mm
30mm
Thickness
9.6mm
8.7mm
Lug-to-Lug
45.5mm
47mm
Lug Width
18mm
21mm
Finish
Water Resistance
200m
30m
Caseback

Crystal & Dial

4 specs
Crystal Shape
AR Coating
Dial Color
Blue
Green
Indices

Movement

6 specs
Caliber
DUW 3001
L888.5
Beat Rate
21,600 vph
0 vph
Power Reserve
43 hoursh
0h
Jewels
27
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$4,540
$2,700

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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.

Longines FLAGSHIP CLASSIC

Owners widely praise the Longines FLAGSHIP CLASSIC for its quality execution, comfortable dimensions, and value, with many appreciating its classic styling and solid engineer bracelet. The 36mm and 38.5mm variants are considered ideal for a dress watch, offering understated elegance and impeccable finishing. One owner notes a smooth winding feel from the L629.2 movement, while another reports accuracy within +/- 5 seconds per day. However, the polished case is described as a smudge magnet, and the white Roman dial is not universally appealing. The 42-hour power reserve is flagged as a weaker characteristic by one reviewer. On balance, owners and reviewers rate the Longines FLAGSHIP CLASSIC highly for its neo-vintage design and build quality at its price point.

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