Side by side

Glycine Airman No. 1 PuristvsHamilton American Classic Intra-Matic Auto

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

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 American Classic Intra-Matic Auto

Owners widely praise the Hamilton American Classic Intra-Matic Auto for its thinness, perfect size, and vintage charm, with some preferring its contrasting tachymeter and larger subdials. One owner notes the rotor can be quite loud. The Hamilton American Classic Intra-Matic Auto is considered by some to be the best watch with a 2892 movement for the price. Overall, owners rate the Hamilton American Classic Intra-Matic Auto highly for its vintage charm and wearability at the price.

From video reviewers

The vintage-inspired design with classic panda dial and dual-register chronograph layout captures authentic racing watch aesthetics from the mid-century era. The automatic chronograph movement delivers reliable timekeeping in a package that honors Hamilton's heritage without modern complications.

At a glance

18 of 29 specs differ
Diameter
Airman No. 1 Purist36mm
American Classic Intra-Matic Auto40mm
Power Reserve
Airman No. 1 Purist48h
American Classic Intra-Matic Auto80h
Water Resistance
Airman No. 1 Purist30m
American Classic Intra-Matic Auto50m
MSRP
Airman No. 1 Purist$2,800
American Classic Intra-Matic Auto$1,275

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
36mm
40mm
Thickness
11.6mm
10.95mm
Lug-to-Lug
0mm
Finish
Water Resistance
30m
50m
Caseback

Crystal & Dial

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

Movement

5 specs
Caliber
Sellita SW330-2
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
$1,275
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