Side by side

Bremont ionBirdvsYema Superman Titanium Tourbillon CMM.31 Limited Edition

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

ionBird
BremontionBird
MSRP $5,800
Superman Titanium Tourbillon CMM.31 Limited Edition
YemaSuperman Titanium Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

8 of 29 specs differ
Diameter
ionBird43mm
Superman Titanium Tourbillon CMM.31 Limited Edition43mm
Power Reserve
ionBird40h
Superman Titanium Tourbillon CMM.31 Limited Edition40h
Water Resistance
ionBird
Superman Titanium Tourbillon CMM.31 Limited Edition300m
MSRP
ionBird$5,800
Superman Titanium Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

4 specs
Category
Pilot
Diver
Thickness
11.7mm
Lug Width
22mm
Water Resistance
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Regular length (15cm - 19cm wrist size)
Titanium

Movement

1 specs
Caliber
Yema CMM.31 Tourbillon

Pricing

1 specs
MSRP
$5,800
$13,000

Follow this matchup

Get a note when Bremont ionBird vs Yema Superman Titanium Tourbillon CMM.31 Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

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 Titanium Tourbillon CMM.31 Limited Edition

The Yema Superman Titanium Tourbillon CMM.31 Limited Edition is noted for its in-house titanium tourbillon movement offering a 105-hour power reserve and 200m water resistance, alongside a unique asphalt-grained dial. Owners find the 43mm size wearable, with one describing it as a contradictory "toolwatch" with exceptional movement craftsmanship. A reviewer flags the bracelet clasp's extension system as crude. On balance, owners and reviewers highlight the impressive movement and dial as key strengths of the Yema Superman Titanium Tourbillon CMM.31 Limited Edition.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.