Side by side

Oak & Oscar The Humboldt ExP-02vsHamilton Khaki Field Day Date Auto

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

The Humboldt ExP-02
Oak & OscarThe Humboldt ExP-02
MSRP $2,400
Khaki Field Day Date Auto
HamiltonKhaki Field Day Date Auto
MSRP $895

At a glance

14 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Khaki Field Day Date Auto42mm
Power Reserve
The Humboldt ExP-0256h
Khaki Field Day Date Auto80h
Water Resistance
The Humboldt ExP-02200m
Khaki Field Day Date Auto50m
MSRP
The Humboldt ExP-02$2,400
Khaki Field Day Date Auto$895

Full specifications

Case

7 specs
Category
Tool
Field
Diameter
39.5mm
42mm
Thickness
12.4mm
11.2mm
Lug-to-Lug
46.8mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
50m
Caseback
Display
Solid

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Flat
Dial Color
Grey
Black
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
Sellita SW300
H-30
Power Reserve
56h
80h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$895

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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.

Hamilton Khaki Field Day Date Auto

Owners widely praise the Hamilton Khaki Field Day Date Auto for its robust build, clear dial legibility, and versatility as a "go anywhere, do anything" watch, connecting them to a classic aesthetic and historical significance. Reviewers and owners alike highlight its value, with some noting the 80-hour power reserve from the H10 movement and 100m water resistance. However, some owners find its lume intensity and longevity inexcusable, and a common criticism of Hamilton watches is the lack of AR coating on the crystal. The bracelet finish and overall appearance are points of contention, with some considering it plain or overrated while others praise its finishing and attractive PVD. Accuracy ranges from excellent to simply "ok," with no consensus on movement quality. Overall, owners and reviewers rate the Hamilton Khaki Field Day Date Auto highly for its classic aesthetic, robust build, and value as an entry-level automatic field watch.

From video reviewers

The 80-hour power reserve from the H-40 movement is a significant strength. The 50-meter water resistance is considered limited for a field watch. Reviewers disagreed on the bracelet quality, with one noting rattle and another not mentioning it.

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