Side by side

Bremont ionBirdvsGlycine Airman GMT

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

ionBird
BremontionBird
MSRP $5,800
Airman GMT
GlycineAirman GMT
MSRP $2,700

At a glance

18 of 29 specs differ
Diameter
ionBird43mm
Airman GMT42mm
Power Reserve
ionBird40h
Airman GMT48h
Water Resistance
ionBird
Airman GMT100m
MSRP
ionBird$5,800
Airman GMT$2,700

Full specifications

Case

8 specs
Category
Pilot
GMT
Diameter
43mm
42mm
Thickness
12mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Indices
Applied
Lume
None
Luminous

Movement

4 specs
Caliber
SW330-2
Power Reserve
40h
48h
Jewels
25
21
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$5,800
$2,700

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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.

Glycine Airman GMT

Owners widely appreciate the Glycine Airman GMT's classic pilot design and consider it a well-built watch, with some noting the 39mm models offer perfect sizing and 200m water resistance. Reviewers praise the plexiglass crystal and matte dial, while some owners find the GMT hand visually similar to the minute hand, making it difficult to read. Accuracy from the Sellita-based movement is described as acceptable, though dial lume pips are noted as weaker than the hands. On balance, owners and reviewers value the Glycine Airman GMT for its faithful reproduction of a classic pilot watch design, despite some legibility concerns with the GMT hand.

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