Side by side

Bremont ionBirdvsYema Granvelle CMM.29

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

ionBird
BremontionBird
MSRP $5,800
Granvelle CMM.29
YemaGranvelle CMM.29
MSRP $1,913

At a glance

9 of 29 specs differ
Diameter
ionBird43mm
Granvelle CMM.2939mm
Power Reserve
ionBird40h
Granvelle CMM.2940h
Water Resistance
ionBird
Granvelle CMM.2950m
MSRP
ionBird$5,800
Granvelle CMM.29$1,913

Full specifications

Case

6 specs
Category
Pilot
Dress
Diameter
43mm
39mm
Thickness
8.6mm
Lug Width
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
50m

Crystal & Dial

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

Movement

1 specs
Caliber
Yema CMM.29

Pricing

1 specs
MSRP
$5,800
$1,913

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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 Granvelle CMM.29

Owners praise the Yema Granvelle CMM.29's gorgeous dial, noting its guilloché pattern and carved hour indices that catch the light. One owner describes the movement as a "feast for the eyes" but finds the watch frustrating at work due to its lack of a specific function. On balance, owners appreciate the Yema Granvelle CMM.29 for its visually striking dial and movement finishing, with some finding its utility limited in certain professional contexts.

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