Side by side

Oak & Oscar The Humboldt ExP-02vsTornek-Rayville Blakjak 12-hr GMT

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
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

15 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Blakjak 12-hr GMT42.5mm
Power Reserve
The Humboldt ExP-0256h
Blakjak 12-hr GMT42h
Water Resistance
The Humboldt ExP-02200m
Blakjak 12-hr GMT200m
MSRP
The Humboldt ExP-02$2,400
Blakjak 12-hr GMT$895

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
39.5mm
42.5mm
Thickness
12.4mm
13.2mm
Lug-to-Lug
46.8mm
49mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Inner
Yes
Dial Color
Grey
Black
Lume
Super-LumiNova BGW9
Superluminova

Movement

3 specs
Caliber
Sellita SW300
SII NH36
Power Reserve
56h
42h
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.

Tornek-Rayville Blakjak 12-hr GMT

The Tornek-Rayville Blakjak 12-hr GMT is a 42.5mm stainless steel watch featuring a DLC-coated bezel, sapphire crystal, and a matte black dial with 12- and 24-hour scales. It is powered by a Seiko SII NH36 automatic movement, offering a 41-hour power reserve, and boasts 200 meters of water resistance. The dial includes a day/date complication and Super-LumiNova BGW9 lume. Overall, owners and reviewers highlight its robust build and functional military-inspired design as key strengths.

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