Side by side

Bremont ionBirdvsNOMOS Glashütte Tangomat GMT

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

ionBird
BremontionBird
MSRP $5,800
Tangomat GMT
NOMOS GlashütteTangomat GMT
MSRP $5,740

At a glance

18 of 29 specs differ
Diameter
ionBird43mm
Tangomat GMT40mm
Power Reserve
ionBird40h
Tangomat GMT42 hoursh
Water Resistance
ionBird
Tangomat GMT30m
MSRP
ionBird$5,800
Tangomat GMT$5,740

Full specifications

Case

9 specs
Category
Pilot
GMT
Diameter
43mm
40mm
Thickness
10.9mm
Lug-to-Lug
50.5mm
Lug Width
20mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Regular length (15cm - 19cm wrist size)
White
Indices
Applied

Movement

4 specs
Caliber
DUW 5201
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
42 hoursh
Jewels
25
26

Pricing

1 specs
MSRP
$5,800
$5,740

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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.

Bremont ionBird

Owners report the Bremont ionBird is overpriced and features a printed dial with a poorly placed date window at 4:30, which some find visually disruptive. However, some owners suggest its case finishing is superior to competitors. The 43mm titanium Bremont ionBird GMT is powered by a COSC-certified BE-93-2AV automatic movement and retails for $5,795. On balance, owners and reviewers find the Bremont ionBird's date window placement and price point to be significant drawbacks.

NOMOS Glashütte Tangomat GMT

Owners and reviewers widely praise the NOMOS Glashütte Tangomat GMT for its elegant Bauhaus design, detailed finishing, and true in-house GMT movement, with many considering it excellent value. The watch's simplicity and user-friendly world time dial are highlighted as refreshing departures from busy designs. Some owners find the 40mm case wears larger than expected, and the GMT function, which uses a disk adjusted by a pusher, is noted as requiring manual adjustment and can be less convenient than a traditional hour hand for some users. One owner reported a daily accuracy drift of 25-35 seconds, while another experienced accidental pressing of the timezone pusher. On balance, owners and reviewers rate the NOMOS Glashütte Tangomat GMT highly for its unique in-house GMT complication and refined aesthetic at an accessible price point.

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