Side by side

Bremont ionBirdvsYema Superman Worldtime GMT

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

ionBird
BremontionBird
MSRP $5,800
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

7 of 29 specs differ
Diameter
ionBird43mm
Superman Worldtime GMT39mm
Power Reserve
ionBird40h
Superman Worldtime GMT40h
Water Resistance
ionBird
Superman Worldtime GMT300m
MSRP
ionBird$5,800
Superman Worldtime GMT$1,549

Full specifications

Case

5 specs
Category
Pilot
GMT
Diameter
43mm
39mm
Lug Width
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
39mm Automatic

Pricing

1 specs
MSRP
$5,800
$1,549

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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.

Yema Superman Worldtime GMT

Owners widely praise the Yema Superman Worldtime GMT for its premium feel, unique bezel-lock mechanism, and attractive domed crystal. Some owners note the aluminum bezel insert is less desirable than ceramic and report the bracelet clasp can be stiff or difficult to open. Inconsistent quality control and poor customer service have been flagged by some owners. On balance, owners value the Yema Superman Worldtime GMT for its distinctive features and comfortable wearability.

From video reviewers

The "Coke" bezel and maxi dial are attractive design elements. The in-house automatic GMT movement is a French alternative to pricier GMTs.

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