Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsMassena LAB Uni-Racer

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

Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

19 of 29 specs differ
Diameter
Ahoi neomatik siren blue36.3mm
Uni-Racer39mm
Power Reserve
Ahoi neomatik siren blue43 hoursh
Uni-Racer58h
Water Resistance
Ahoi neomatik siren blue200m
Uni-Racer50m
MSRP
Ahoi neomatik siren blue$4,540
Uni-Racer$3,495

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
36.3mm
39mm
Thickness
9.6mm
9mm
Lug-to-Lug
45.5mm
46mm
Lug Width
18mm
20mm
Finish
Brushed and polished
Water Resistance
200m
50m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Domed
AR Coating
No
Dial Color
Blue
White
Indices
Applied

Movement

5 specs
Caliber
DUW 3001
SW510 BH M Elaboré
Type
Automatic
Manual
Beat Rate
21,600 vph
28,800 vph
Power Reserve
43 hoursh
58h
Jewels
27
23

Pricing

1 specs
MSRP
$4,540
$3,495

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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.

Massena LAB Uni-Racer

The Massena LAB Uni-Racer is praised for its refined vintage chronograph aesthetic, featuring a 39mm case with unique horizontal finishing, a GPHG-nominated hand-wound Sellita SW510 M movement, and a sector dial with a "big eye" counter. Owners and reviewers highlight its period-perfect Super-LumiNova and snailing on recessed registers, all supported by a 58-hour power reserve and 50m water resistance. On balance, owners and reviewers rate the Massena LAB Uni-Racer highly for its authentic vintage design and refined execution at its price point.

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