Side by side

Glycine Airman No. 1 GMTvsOak & Oscar The Humboldt GMT SAR Edition

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
The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950

At a glance

17 of 29 specs differ
Diameter
Airman No. 1 GMT36mm
The Humboldt GMT SAR Edition39.5mm
Power Reserve
Airman No. 1 GMT48h
The Humboldt GMT SAR Edition56 hoursh
Water Resistance
Airman No. 1 GMT30m
The Humboldt GMT SAR Edition200m
MSRP
Airman No. 1 GMT$2,800
The Humboldt GMT SAR Edition$2,950

Full specifications

Case

7 specs
Diameter
36mm
39.5mm
Thickness
11.6mm
12.5mm
Lug-to-Lug
46.8mm
Material
Stainless Steel
Grade 5 Titanium
Finish
Brushed and polished
Water Resistance
30m
200m
Caseback
Solid screw-down

Crystal & Dial

5 specs
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Silver
Black
Indices
Applied
Lume
Luminous
Super-LumiNova

Movement

4 specs
Caliber
SW330-2
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
48h
56 hoursh
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,800
$2,950

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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.

Oak & Oscar The Humboldt GMT SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

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