Side by side

Oak & Oscar The Humboldt ExP-02vsSpinnaker Dumas Automatic

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
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

14 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Dumas Automatic44mm
Power Reserve
The Humboldt ExP-0256h
Dumas Automatic40h
Water Resistance
The Humboldt ExP-02200m
Dumas Automatic300m
MSRP
The Humboldt ExP-02$2,400
Dumas Automatic$239

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
39.5mm
44mm
Thickness
12.4mm
15mm
Lug-to-Lug
46.8mm
48mm
Lug Width
20mm
22mm
Water Resistance
200m
300m
Caseback
Display
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW300
SII NH35A
Power Reserve
56h
40h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$239

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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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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