Side by side

Glycine Airman No. 1 GMTvsHamilton American Classic Valiant Auto

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

Airman No. 1 GMT
GlycineAirman No. 1 GMT
MSRP $2,800
American Classic Valiant Auto
HamiltonAmerican Classic Valiant Auto
MSRP $645

At a glance

16 of 29 specs differ
Diameter
Airman No. 1 GMT36mm
American Classic Valiant Auto34mm
Power Reserve
Airman No. 1 GMT48h
American Classic Valiant Auto80h
Water Resistance
Airman No. 1 GMT30m
American Classic Valiant Auto50m
MSRP
Airman No. 1 GMT$2,800
American Classic Valiant Auto$645

Full specifications

Case

8 specs
Category
GMT
Dress
Diameter
36mm
34mm
Thickness
11.6mm
10.58mm
Lug-to-Lug
46mm
Lug Width
20mm
16mm
Finish
Brushed and polished
Water Resistance
30m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
Luminous
None

Movement

3 specs
Caliber
SW330-2
H-10
Power Reserve
48h
80h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,800
$645

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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 GMT

Owners widely praise the Glycine Airman No. 1 GMT for its historical significance and attractive dial. However, some find the 36mm case size to be a bit small, and the GMT hand can be difficult to distinguish from the minute hand. The watch has a very limited 3ATM water resistance. Later versions feature sapphire crystals, differing from earlier plexi models. Overall, owners value the Glycine Airman No. 1 GMT for its historical appeal and dial design, despite minor legibility and sizing concerns.

From video reviewers

The case finishing and dial colors are praised. The value proposition is tied to a sale price, with questions about long-term competitiveness.

Hamilton American Classic Valiant Auto

Owners widely praise the Hamilton American Classic Valiant Auto for its classic design elements, such as the sunburst dial and Roman numerals, noting its suitability for everyday elegance and wearability under a cuff. One owner highlights the 39.5mm size and applied indices as a "hidden gem," while another appreciates the clean, simple design with thin Roman numerals. The watch is also commended for its comfortable bracelet and attractive lance hands, with confirmation that the bracelet is indeed changeable. Some owners note the date window's placement at three o'clock is a point of contention, and one owner reports the watch runs at approximately +6 seconds per day after ten years of intermittent use. On balance, owners rate the Hamilton American Classic Valiant Auto highly for its elegant, classic design and comfortable wearability at its price point.

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