Side by side

Glycine Airman No. 1 PuristvsHamilton Khaki Aviation Pilot Auto

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

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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.

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.

Hamilton Khaki Aviation Pilot Auto

The Hamilton Khaki Aviation Pilot Auto is widely praised for its legibility and value, with reviewers and owners highlighting its clear dial design, bold numerals, and effective Super-LumiNova. The 80-hour power reserve from the H-10 caliber is a consistent positive point. Owners and reviewers find the 36mm and 39mm sizes to be comfortable and versatile for everyday wear, though some find the hands on the 36mm model disproportionate or requiring adjustment. The watch offers 100m water resistance. On balance, the Hamilton Khaki Aviation Pilot Auto is highly regarded for its legibility, substantial power reserve, and everyday wearability at its price point.

From video reviewers

The 36mm case size makes the pilot's watch aesthetic more accessible. The watch offers 100 meters of water resistance. Reviewers expressed hesitation about long-term appeal or missing features.

At a glance

18 of 29 specs differ
Diameter
Airman No. 1 Purist36mm
Khaki Aviation Pilot Auto36mm
Power Reserve
Airman No. 1 Purist48h
Khaki Aviation Pilot Auto80h
Water Resistance
Airman No. 1 Purist30m
Khaki Aviation Pilot Auto100m
MSRP
Airman No. 1 Purist$2,800
Khaki Aviation Pilot Auto$1,125

Full specifications

Case

7 specs
Category
GMT
Pilot
Thickness
11.6mm
11.15mm
Lug-to-Lug
0mm
Lug Width
20mm
18mm
Finish
Water Resistance
30m
100m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Dial Color
Silver
Black
Indices
Lume
Luminous
None

Movement

5 specs
Caliber
Sellita SW330-2
Hamilton H-10
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
80h
Jewels
25
0
Complications
Date
None

Pricing

1 specs
MSRP
$2,800
$1,125
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