Side by side

Bremont ionBirdvsLongines FLAGSHIP HERITAGE

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

ionBird
BremontionBird
MSRP $5,800
FLAGSHIP HERITAGE
LonginesFLAGSHIP HERITAGE
MSRP $2,150

At a glance

20 of 29 specs differ
Diameter
ionBird43mm
FLAGSHIP HERITAGE38.5mm
Power Reserve
ionBird40h
FLAGSHIP HERITAGE
Water Resistance
ionBird
FLAGSHIP HERITAGE30m
MSRP
ionBird$5,800
FLAGSHIP HERITAGE$2,150

Full specifications

Case

9 specs
Category
Pilot
Dress
Diameter
43mm
38.5mm
Thickness
10.3mm
Lug-to-Lug
47mm
Lug Width
19mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Regular length (15cm - 19cm wrist size)
Anthracite
Indices
Applied

Movement

6 specs
Caliber
L615.3
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$5,800
$2,150

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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.

Longines FLAGSHIP HERITAGE

The Longines Flagship Heritage is widely praised for its impeccable finishing, timeless vintage-inspired design, and exceptional value, with reviewers highlighting its elegant cream dial with gilt markers, dauphine hands, and applied logo, as well as its comfortable 38.5mm case size. Owners appreciate its refined aesthetic, suitable for dressed occasions and as a first watch, and some note the special design on the case back. However, its 42-hour power reserve and 12.4mm thickness are flagged as drawbacks, with one owner suspecting an issue with the self-winding mechanism. Overall, owners and reviewers rate the Longines Flagship Heritage highly for its elegant vintage design and exceptional value at its price point.

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