Side by side

NOMOS Glashütte Ahoi neomatik siren bluevsBell & Ross BR-05 GMT Sky Blue

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

BR-05 GMT Sky Blue
Bell & RossBR-05 GMT Sky Blue
MSRP $6,264

At a glance

16 of 29 specs differ
Diameter
Ahoi neomatik siren blue36.3mm
BR-05 GMT Sky Blue41mm
Power Reserve
Ahoi neomatik siren blue43 hoursh
BR-05 GMT Sky Blue
Water Resistance
Ahoi neomatik siren blue200m
BR-05 GMT Sky Blue100m
MSRP
Ahoi neomatik siren blue$4,540
BR-05 GMT Sky Blue$6,264

Full specifications

Case

6 specs
Category
Tool
GMT
Diameter
36.3mm
41mm
Thickness
9.6mm
Lug-to-Lug
45.5mm
Lug Width
18mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
AR Coating
Underside
Dial Color
Blue
White
Indices
Applied indices
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
DUW 3001
BR-CAL.325
Beat Rate
21,600 vph
Power Reserve
43 hoursh
Jewels
27
Complications
None
Hours/Minutes, Seconds, Date, GMT

Pricing

1 specs
MSRP
$4,540
$6,264

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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.

Bell & Ross BR-05 GMT Sky Blue

Owners and reviewers widely praise the Bell & Ross BR-05 GMT Sky Blue for its excellent finishing, sharp transitions between brushed and polished surfaces, and attractive blue sunray dial. It is noted to wear well on wrists under 6.5 inches. Some owners question its value proposition due to the Sellita movement, and one owner finds the crown can be fussy to use, while another notes sharp edges on the bracelet links. Overall, owners and reviewers rate the Bell & Ross BR-05 GMT Sky Blue highly for its cohesive package and attractive case execution.

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