Side by side

Bremont ionBirdvsTudor Pelagos FXD Chrono

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

ionBird
BremontionBird
MSRP $5,800
Pelagos FXD Chrono
TudorPelagos FXD Chrono
MSRP $6,375

At a glance

12 of 29 specs differ
Diameter
ionBird43mm
Pelagos FXD Chrono43mm
Power Reserve
ionBird40h
Pelagos FXD Chrono70h
Water Resistance
ionBird
Pelagos FXD Chrono100m
MSRP
ionBird$5,800
Pelagos FXD Chrono$6,375

Full specifications

Case

7 specs
Category
Pilot
Chronograph
Thickness
13.2mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
Titanium
43mm black carbon composite case with matt finish · Lugs: 22mm lug width · Case thickness: 13.2mm
Water Resistance
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

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

Movement

3 specs
Caliber
MT5813
Power Reserve
40h
70h
Complications
None
Chronograph

Pricing

1 specs
MSRP
$5,800
$6,375

Follow this matchup

Get a note when Bremont ionBird vs Tudor Pelagos FXD Chrono 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.

Tudor Pelagos FXD Chrono

The Tudor Pelagos FXD Chrono is widely praised for its lightweight construction, with owners highlighting its carbon composite case and titanium case back contributing to exceptional comfort and wearability, even on smaller wrists. Reviewers and owners alike commend its excellent legibility, robust build quality, and impressive bezel action, with a smooth winding feel noted by one owner. The COSC-certified MT5813 movement provides a 70-hour power reserve. However, some find the tachymeter scale difficult to read, and the 45-minute counter impractical for cycling. One owner reported poor timekeeping with a deviation of -3 to -3.5 seconds per day, while another saw accuracy within a couple of seconds per day, and a separate owner noted three services in under two years. The included straps are frequently criticized as less appealing or having short length, and some question the watch's overall utility for cyclists compared to dedicated head units.

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.