Side by side

Bremont ionBirdvsHorage Supersede GMT

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

ionBird
BremontionBird
MSRP $5,800
Supersede GMT
HorageSupersede GMT
MSRP $7,270

At a glance

14 of 29 specs differ
Diameter
ionBird43mm
Supersede GMT39.5mm
Power Reserve
ionBird40h
Supersede GMT72h
Water Resistance
ionBird
Supersede GMT200m
MSRP
ionBird$5,800
Supersede GMT$7,270

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
43mm
39.5mm
Thickness
9.85mm
Lug-to-Lug
46.29mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

3 specs
AR Coating
Inner
No
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Horage K2
Power Reserve
40h
72h
Complications
None
GMT

Pricing

1 specs
MSRP
$5,800
$7,270

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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.

Horage Supersede GMT

The Horage Supersede GMT is widely praised for its innovative micro-rotor movement and impressive finishing. Owners and reviewers highlight its value as a true GMT sports watch, noting the compact 39.5mm case and 200m water resistance. The K2 movement offers a 72-hour power reserve, and updates include an optional platinum rotor, a luminous seconds hand tip, and a new micro-adjustable clasp. One potential hesitation for buyers is the inability to see the watch in person. Overall, owners and reviewers rate the Horage Supersede GMT highly for its innovative micro-rotor movement and excellent value.

From video reviewers

The Horage Supersede GMT features a unique case design that blends different styles. A notable strength is its in-house K2 micro-rotor movement. One weakness is the relatively average lume brightness.

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