Side by side

Bremont ionBirdvsCitizen World Chronograph A-T

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

ionBird
BremontionBird
MSRP $5,800
World Chronograph A-T
CitizenWorld Chronograph A-T
MSRP $581

At a glance

10 of 29 specs differ
Diameter
ionBird43mm
World Chronograph A-T43mm
Power Reserve
ionBird40h
World Chronograph A-T40h
Water Resistance
ionBird
World Chronograph A-T200m
MSRP
ionBird$5,800
World Chronograph A-T$581

Full specifications

Case

5 specs
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
23mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Dial Color
Regular length (15cm - 19cm wrist size)
Blue

Movement

2 specs
Caliber
H800
Type
Automatic
Solar

Pricing

1 specs
MSRP
$5,800
$581

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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.

Citizen World Chronograph A-T

Owners widely praise the Citizen World Chronograph A-T for its perpetual accuracy via radio-controlled atomic timekeeping and Eco-Drive solar charging, eliminating the need to set the time or change batteries. Reviewers and owners highlight its advanced technology, chronograph styling, and user-friendly crown-actuated time zone changes. Specific praise is given to its water resistance, sapphire crystal, and value for money, with some appreciating subtle blue accents and others the bold Blue Angels colorway. However, the internal slide rule bezel is considered difficult to operate, the dial can suffer from glare and poor lume, and the blue bezel plating may scratch easily. Some owners note the 43mm size and 145g weight are substantial, and the stock strap can be too short for larger wrists. One owner reported indicator hands misaligning but resolved it with recalibration.

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