Glycine Airman GMTvsOak & Oscar The Humboldt GMT Titanium

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Glycine Airman GMT at true scale

Airman GMT

Oak & Oscar The Humboldt GMT Titanium at true scale

The Humboldt GMT Titanium

Diameter

42mm

39.5mm

Lug-to-Lug

n/a

46.8mm

Thickness

12mm

lowest

12.5mm

Water Resistance

100m

200m

highest

Power Reserve

48h

56h

highest

MSRP

$905

lowest

$2,250

Movement

Sellita SW330-2

Sellita SW330-2

Case

8 specs
Diameter
42mm
39.5mm
Thickness
12mm
12.5mm
Lug-to-Lug
n/a
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
Grade 5 Titanium
Finish
n/a
n/a
Water Resistance
100m
200m
Caseback
n/a
Solid screw-down

Crystal & Dial

5 specs
Crystal Shape
n/a
Double-domed
AR Coating
n/a
Underside
Dial Color
Black
Green
Indices
n/a
Applied
Lume
Luminous
Super-LumiNova

Movement

4 specs
Beat Rate
28,800 vph
4 vph
Power Reserve
48h
56 hoursh
Jewels
21
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$905
$2,250
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Glycine Airman GMT

Owners widely praise the Glycine Airman GMT's classic pilot design and consider it a well-made watch. Some owners find the GMT hand visually similar to the minute hand, which can be frustrating. The Sellita-based movement kept acceptable accuracy. On balance, owners and reviewers appreciate the Glycine Airman GMT for its classic pilot design and build quality.

Oak & Oscar The Humboldt GMT Titanium

Oak & Oscar The Humboldt GMT Titanium owners praise its exceptional timekeeping, comfortable and lightweight titanium construction, and fit and finish that exceed its price point. The 39.5mm case is noted as suitable for many wrists, though one owner flags its size as a potential drawback. The watch features a Sellita SW330-2 automatic movement and 200m water resistance. Some owners find the orange, blue, and gold dial colors distinct and gorgeous. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT Titanium highly for its comfortable wearability and impressive finishing at its price.