Side by side

Bremont ionBirdvsOak & Oscar The Humboldt ExP-02

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

ionBird
BremontionBird
MSRP $5,800
The Humboldt ExP-02
Oak & OscarThe Humboldt ExP-02
MSRP $2,400

At a glance

15 of 29 specs differ
Diameter
ionBird43mm
The Humboldt ExP-0239.5mm
Power Reserve
ionBird40h
The Humboldt ExP-0256h
Water Resistance
ionBird
The Humboldt ExP-02200m
MSRP
ionBird$5,800
The Humboldt ExP-02$2,400

Full specifications

Case

8 specs
Category
Pilot
Tool
Diameter
43mm
39.5mm
Thickness
12.4mm
Lug-to-Lug
46.8mm
Lug Width
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
Caseback
Solid
Display

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
Dial Color
Regular length (15cm - 19cm wrist size)
Grey
Lume
None
Super-LumiNova BGW9

Movement

3 specs
Caliber
Sellita SW300
Power Reserve
40h
56h
Complications
None
GMT, Chronograph

Pricing

1 specs
MSRP
$5,800
$2,400

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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.

Oak & Oscar The Humboldt ExP-02

Oak & Oscar The Humboldt ExP-02 is a 39.5mm stainless steel tool watch featuring a unique, layered aluminum "ghost dial" for legibility and 200m water resistance, powered by a Sellita SW300 movement. Its appeal is limited by a US$2,550 price and an extremely limited production of 20 pieces, with its experimental dial construction done in Chicago. Overall, reviewers highlight the endearing dial and in-house bezel production as key features of the Oak & Oscar Humboldt ExP-02.

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