Side by side

Bremont ionBirdvsMaen Grand Tonneau Ultra Thin

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

ionBird
BremontionBird
MSRP $5,800
Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519

At a glance

7 of 29 specs differ
Diameter
ionBird43mm
Grand Tonneau Ultra Thin34mm
Power Reserve
ionBird40h
Grand Tonneau Ultra Thin40h
Water Resistance
ionBird
Grand Tonneau Ultra Thin50m
MSRP
ionBird$5,800
Grand Tonneau Ultra Thin$1,519

Full specifications

Case

5 specs
Category
Pilot
Dress
Diameter
43mm
34mm
Thickness
6.4mm
Material
Titanium
316L Stainless Steel
Water Resistance
50m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
MNL.04

Pricing

1 specs
MSRP
$5,800
$1,519

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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.

Maen Grand Tonneau Ultra Thin

Owners widely report the Maen Grand Tonneau Ultra Thin features a La Joux-Perret D101 manual-wind movement and a double-layer enamel dial. Some owners criticize the bracelet design and find the dial too small and lacking indices. One owner describes the Maen Grand Tonneau Ultra Thin as "hideous with a good movement." On balance, owners are divided on the Maen Grand Tonneau Ultra Thin, with some appreciating its movement and dial while others find its design unappealing.

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