Side by side

Bremont ionBirdvsFortis Flieger F-41 Werk 7

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

ionBird
BremontionBird
MSRP $5,800
Flieger F-41 Werk 7
FortisFlieger F-41 Werk 7
MSRP $4,510

At a glance

11 of 29 specs differ
Diameter
ionBird43mm
Flieger F-41 Werk 741mm
Power Reserve
ionBird40h
Flieger F-41 Werk 738h
Water Resistance
ionBird
Flieger F-41 Werk 7200m
MSRP
ionBird$5,800
Flieger F-41 Werk 7$4,510

Full specifications

Case

6 specs
Diameter
43mm
41mm
Thickness
11.5mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Black

Movement

3 specs
Caliber
Werk 7 (Manufacture)
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$5,800
$4,510

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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.

Fortis Flieger F-41 Werk 7

The Fortis Flieger is widely praised for its robust build quality, superb readability, and excellent fit and finish, with reviewers highlighting the utilitarian dial and Brixtrack markers. Some find the 39mm case wears large due to its 50mm lug-to-lug span, while others note the 41mm versions offer better proportions. The Werk 7 movement provides a 70-hour power reserve, though one review mentions the UW-30 movement in a 39mm model has a 38-hour power reserve. On balance, reviewers rate the Fortis Flieger highly for its practical design and solid construction at its price point.

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