Side by side

Bremont Altitude 39 DatevsBremont ionBird

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

Altitude 39 Date
BremontAltitude 39 Date
MSRP $4,250
ionBird
BremontionBird
MSRP $5,800

At a glance

8 of 29 specs differ
Diameter
Altitude 39 Date39mm
ionBird43mm
Power Reserve
Altitude 39 Date40h
ionBird40h
Water Resistance
Altitude 39 Date100m
ionBird
MSRP
Altitude 39 Date$4,250
ionBird$5,800

Full specifications

Case

5 specs
Diameter
39mm
43mm
Thickness
11.19mm
Lug Width
20mm
Material
316L Stainless Steel (DLC coated)
Titanium
Water Resistance
100m

Crystal & Dial

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

Movement

1 specs
Caliber
BE-92AE

Pricing

1 specs
MSRP
$4,250
$5,800

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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 Altitude 39 Date

Owners and reviewers widely praise the Bremont Altitude 39 Date as a sleek, legible, and everyday-suited pilot's watch, noting its comfortable 39mm 904L steel case and clean dial design. The La Joux-Perret G100 movement is recognized for its 68-hour power reserve and smooth winding feel. Some owners note the bracelet lacks micro-adjustments. On balance, the consensus is that the Bremont Altitude 39 Date is highly regarded for its refined finishing and wearability at 39mm.

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.

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