Side by side

Dryden Heartlander SolarvsOak & Oscar The Humboldt ExP-02

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

Heartlander Solar
DrydenHeartlander Solar
MSRP $279
The Humboldt ExP-02
Oak & OscarThe Humboldt ExP-02
MSRP $2,400

At a glance

13 of 29 specs differ
Diameter
Heartlander Solar38mm
The Humboldt ExP-0239.5mm
Power Reserve
Heartlander Solar40h
The Humboldt ExP-0256h
Water Resistance
Heartlander Solar101m
The Humboldt ExP-02200m
MSRP
Heartlander Solar$279
The Humboldt ExP-02$2,400

Full specifications

Case

6 specs
Category
Field
Tool
Diameter
38mm
39.5mm
Thickness
11mm
12.4mm
Lug-to-Lug
46mm
46.8mm
Water Resistance
101m
200m
Caseback
Solid
Display

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$279
$2,400

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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.

Dryden Heartlander Solar

The Dryden Heartlander Solar is widely praised for its wearability, with its 38mm case and thin profile making it a versatile, go-anywhere watch. Owners and reviewers highlight its exceptional lume, comfortable president-style bracelet, and compelling $500 price point. The solar power feature is appreciated for its convenience, eliminating the need for winding. Some owners note the 38mm case can feel small on wrists just under seven inches, and one reviewer flags that the prominent crown may irritate some wearers. The use of a Miyota movement is seen as a positive for durability and affordability. On balance, owners and reviewers rate the Dryden Heartlander Solar highly for its excellent wearability and value at the $500 price point.

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.

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