Side by side

Bremont ionBirdvsSpinnaker Dumas Automatic

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

ionBird
BremontionBird
MSRP $5,800
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

10 of 29 specs differ
Diameter
ionBird43mm
Dumas Automatic44mm
Power Reserve
ionBird40h
Dumas Automatic40h
Water Resistance
ionBird
Dumas Automatic300m
MSRP
ionBird$5,800
Dumas Automatic$239

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
43mm
44mm
Thickness
15mm
Lug-to-Lug
48mm
Lug Width
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m

Crystal & Dial

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

Movement

1 specs
Caliber
SII NH35A

Pricing

1 specs
MSRP
$5,800
$239

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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 Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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