Side by side

Bremont ionBirdvsSpinnaker Fleuss 40 Automatic

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

ionBird
BremontionBird
MSRP $5,800
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

10 of 29 specs differ
Diameter
ionBird43mm
Fleuss 40 Automatic40mm
Power Reserve
ionBird40h
Fleuss 40 Automatic40h
Water Resistance
ionBird
Fleuss 40 Automatic150m
MSRP
ionBird$5,800
Fleuss 40 Automatic$450

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
43mm
40mm
Thickness
11mm
Lug-to-Lug
47mm
Lug Width
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
150m

Crystal & Dial

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

Movement

1 specs
Caliber
SII NH35A

Pricing

1 specs
MSRP
$5,800
$450

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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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

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