Side by side

Bremont ionBirdvsGlycine Airman No. 1 Purist

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

ionBird
BremontionBird
MSRP $5,800
Airman No. 1 Purist
GlycineAirman No. 1 Purist
MSRP $2,800

At a glance

17 of 29 specs differ
Diameter
ionBird43mm
Airman No. 1 Purist36mm
Power Reserve
ionBird40h
Airman No. 1 Purist48h
Water Resistance
ionBird
Airman No. 1 Purist30m
MSRP
ionBird$5,800
Airman No. 1 Purist$2,800

Full specifications

Case

8 specs
Category
Pilot
GMT
Diameter
43mm
36mm
Thickness
11.6mm
Lug Width
20mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
30m
Caseback
Solid

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$5,800
$2,800

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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 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 No. 1 Purist

The Glycine Airman No. 1 Purist is praised as a faithful re-creation of a historical 24-hour watch, with one owner purchasing it for $620 and viewing it as a long-term keeper due to its heritage reissue status and vintage aesthetics. The 36mm size is noted as a conversation starter. However, the acrylic crystal is prone to scratching, with one example showing a small scratch over the date window. Some community members suggest pre-Invicta models may hold value better. Overall, owners appreciate the Glycine Airman No. 1 Purist for its authentic vintage appeal and unique dial, though the acrylic crystal requires careful handling.

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