Side by side

Glycine Airman SST GMTvsOak & Oscar The Humboldt GMT

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 SST GMT

Owners praise the Glycine Airman SST GMT for its comfortable wear, good build quality, accuracy, lume, and historical significance. The 24-hour dial and compressor-style GMT ring are noted as great features. One owner found the Sellita SW330 movement authentic, though expected Glycine branding on the rotor. The dial is considered busy, and one owner experienced the watch stopping after a day on a winder with a rattling rotor, suggesting service. On balance, owners rate the Glycine Airman SST GMT highly for its comfortable wear and historical significance.

Oak & Oscar The Humboldt GMT

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

At a glance

16 of 29 specs differ
Diameter
Airman SST GMT43mm
The Humboldt GMT39.5mm
Power Reserve
Airman SST GMT48h
The Humboldt GMT56 hoursh
Water Resistance
Airman SST GMT200m
The Humboldt GMT200m
MSRP
Airman SST GMT$3,400
The Humboldt GMT$2,175

Full specifications

Case

7 specs
Diameter
43mm
39.5mm
Thickness
11.6mm
12.5mm
Lug-to-Lug
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed
Caseback
Solid screw-down

Crystal & Dial

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

Movement

3 specs
Beat Rate
28,800 vph
4 vph
Power Reserve
48h
56 hoursh
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$3,400
$2,175
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