Side by side

Oak & Oscar The Humboldt ExP-02vsGlycine Airman Vintage The Chief Purist

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

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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.

Oak & Oscar The Humboldt ExP-02

Oak & Oscar The Humboldt ExP-02 is a 39.5mm stainless steel tool watch featuring a unique, layered aluminum "ghost dial" for legibility and 200m water resistance, powered by a Sellita SW300 movement. Its appeal is limited by a US$2,550 price and an extremely limited production of 20 pieces, with its experimental dial construction done in Chicago. Overall, reviewers highlight the endearing dial and in-house bezel production as key features of the Oak & Oscar Humboldt ExP-02.

Glycine Airman Vintage The Chief Purist

The Glycine Airman Vintage The Chief Purist is widely praised for its classic pilot watch design and excellent wearability, with owners highlighting its authentic 24-hour dial as a core element of its identity. Reviewers and owners consistently note its accurate timekeeping, with one report stating it keeps very accurate time and another confirming excellent timekeeping. The sun-ray green dial is specifically mentioned as looking great in different lighting conditions, and the lume is described as great for a vintage-style piece. Owners find the purist model's 24-hour dial more logical than GMT versions, and the 40mm size is noted for offering larger, readable dials. One owner calls it the best pilot watch ever made.

From video reviewers

The 24-hour dial legibility is a key strength. Reviewers disagree on the desirability of the current Purist design compared to Glycine's past Airman 18 series.

At a glance

20 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Airman Vintage The Chief Purist40mm
Power Reserve
The Humboldt ExP-0256h
Airman Vintage The Chief Purist48h
Water Resistance
The Humboldt ExP-02200m
Airman Vintage The Chief Purist30m
MSRP
The Humboldt ExP-02$2,400
Airman Vintage The Chief Purist$2,900

Full specifications

Case

9 specs
Category
Tool
GMT
Diameter
39.5mm
40mm
Thickness
12.4mm
12.25mm
Lug-to-Lug
46.8mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Water Resistance
200m
30m
Caseback
Display

Crystal & Dial

5 specs
Crystal Shape
Double-domed
AR Coating
Dial Color
Grey
White
Indices
Applied
Lume
Super-LumiNova BGW9
Luminous

Movement

5 specs
Caliber
Sellita SW300-1
Sellita SW330-2
Beat Rate
0 vph
28,800 vph
Power Reserve
56h
48h
Jewels
0
25
Complications
GMT, Chronograph
Date

Pricing

1 specs
MSRP
$2,400
$2,900
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