Side by side

Oak & Oscar The Humboldt ExP-02vsHamilton Jazzmaster Auto Chrono

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.

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 Jazzmaster Auto Chrono

Owners widely praise the Hamilton Jazzmaster Auto Chrono for its value and dressy yet substantial look. The H-31 or adapted 7753 movement is noted, alongside a 60-hour power reserve. Some owners prefer a 3-6-9 subdial layout or a smaller case size, and the movement's thickness makes it unsuitable for those seeking a slim watch. On balance, owners rate the Hamilton Jazzmaster Auto Chrono highly for its value and refined aesthetic.

At a glance

15 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Jazzmaster Auto Chrono42mm
Power Reserve
The Humboldt ExP-0256h
Jazzmaster Auto Chrono60h
Water Resistance
The Humboldt ExP-02200m
Jazzmaster Auto Chrono100m
MSRP
The Humboldt ExP-02$2,400
Jazzmaster Auto Chrono$2,095

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
39.5mm
42mm
Thickness
12.4mm
15.23mm
Lug-to-Lug
46.8mm
46mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
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 SW300-1
H-21
Power Reserve
56h
60h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$2,095
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