Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsHamilton American Classic Intra-Matic Chronograph H

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

At a glance

18 of 29 specs differ
Diameter
Ahoi neomatik siren blue36.3mm
American Classic Intra-Matic Chronograph H40mm
Power Reserve
Ahoi neomatik siren blue43 hoursh
American Classic Intra-Matic Chronograph H60h
Water Resistance
Ahoi neomatik siren blue200m
American Classic Intra-Matic Chronograph H100m
MSRP
Ahoi neomatik siren blue$4,540
American Classic Intra-Matic Chronograph H$2,495

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
36.3mm
40mm
Thickness
9.6mm
14.35mm
Lug-to-Lug
45.5mm
46mm
Lug Width
18mm
20mm
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
DUW 3001
H-51
Type
Automatic
Manual
Beat Rate
21,600 vph
28,800 vph
Power Reserve
43 hoursh
60h
Jewels
27
25

Pricing

1 specs
MSRP
$4,540
$2,495

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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.

Hamilton American Classic Intra-Matic Chronograph H

The Hamilton American Classic Intra-Matic Chronograph H is widely praised for its attractive vintage-inspired design, clean dial legibility, and satisfying manual-wind experience. Owners and reviewers highlight its retro charm, often described as elegant and classy with a 1960s aesthetic, and its well-balanced panda or reverse panda dial configurations. The H-51 hand-wound movement is noted for its torquey feel and a 60-hour power reserve, with timekeeping reported around +3 seconds per day. The 40mm case size is considered welcome, though its 14.35mm thickness is frequently mentioned as being on the thicker side for a hand-wound chronograph, despite wearing well on the wrist. Some owners expressed a desire for a three-subdial layout, and one noted the OEM strap was utilitarian, while another found the rotor audible and the date setting unusual. The Hamilton American Classic Intra-Matic Chronograph H is priced around $2,045 to $2,095 on bracelet.

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