Side by side

Oak & Oscar The Humboldt ExP-02vsSanturce Guaraguao Time Only — Automatic Pilot Watch

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.

Santurce Guaraguao Time Only — Automatic Pilot Watch

Owners praise the Santurce Guaraguao Time Only — Automatic Pilot Watch as a versatile bargain with excellent specifications, highlighting its strap versatility, bright lume, and good customer service. The watch is noted for its solid feel and a secure screwdown crown, with one owner finding the 42mm case size good for a 7-inch wrist. Criticisms include a seconds hand that some find cheap-looking and a date window described as uninspired, while the prominent branding is considered divisive. Overall, owners rate the Santurce Guaraguao Time Only — Automatic Pilot Watch highly for its value and luminous display.

At a glance

17 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Guaraguao Time Only — Automatic Pilot Watch42mm
Power Reserve
The Humboldt ExP-0256h
Guaraguao Time Only — Automatic Pilot Watch
Water Resistance
The Humboldt ExP-02200m
Guaraguao Time Only — Automatic Pilot Watch300m
MSRP
The Humboldt ExP-02$2,400
Guaraguao Time Only — Automatic Pilot Watch$899

Full specifications

Case

8 specs
Category
Tool
Diameter
39.5mm
42mm
Thickness
12.4mm
11.7mm
Lug-to-Lug
46.8mm
51mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m
Caseback
Display

Crystal & Dial

5 specs
Crystal Shape
Double-domed
AR Coating
Yes
Dial Color
Grey
Indices
Applied
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
Sellita SW300-1
Miyota 9075
Power Reserve
56h
0h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$899
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