Side by side

Bremont ionBirdvsGlycine Combat Sub Sport GMT

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

ionBird
BremontionBird
MSRP $5,800
Combat Sub Sport GMT
GlycineCombat Sub Sport GMT
MSRP $2,995

At a glance

17 of 29 specs differ
Diameter
ionBird43mm
Combat Sub Sport GMT42mm
Power Reserve
ionBird40h
Combat Sub Sport GMT48h
Water Resistance
ionBird
Combat Sub Sport GMT200m
MSRP
ionBird$5,800
Combat Sub Sport GMT$2,995

Full specifications

Case

8 specs
Category
Pilot
GMT
Diameter
43mm
42mm
Thickness
10.85mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
Caseback
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
SW330-2
Power Reserve
40h
48h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$5,800
$2,995

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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 Combat Sub Sport GMT

Owners widely praise the Glycine Combat Sub Sport GMT for its solid build, slim wearability, and value, with many noting its comfortable fit due to curved lugs and thin case. Reviewers highlight its classic design, unique dial, and legible date window, while some owners report excellent bezel action and accuracy under +1 second per day after regulation. A minor criticism is a slightly off-color lume pip on the chapter ring, and one owner notes sub-par lume and inconsistent power reserve not always reaching 42 hours. On balance, owners and reviewers rate the Glycine Combat Sub Sport GMT highly for its comfortable wearability and value at the price point.

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