Side by side

Sinn 856 S UTCvsOak & Oscar The Humboldt ExP-02

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.

Sinn 856 S UTC

Owners widely praise the Sinn 856 S UTC for its legibility, robust build, and versatile wearability as an everyday and business-casual timepiece. The watch is frequently chosen for its adventurous UTC functionality and durability features, including tegimentation, anti-magnetism, and humidity protection, making it suitable for frequent travel. One owner reports accuracy of approximately -10 seconds per day. On balance, owners rate the Sinn 856 S UTC highly for its practical functionality and rugged construction.

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.

At a glance

17 of 29 specs differ
Diameter
856 S UTC40mm
The Humboldt ExP-0239.5mm
Power Reserve
856 S UTC38h
The Humboldt ExP-0256h
Water Resistance
856 S UTC200m
The Humboldt ExP-02200m
MSRP
856 S UTC$2,938
The Humboldt ExP-02$2,400

Full specifications

Case

6 specs
Diameter
40mm
39.5mm
Thickness
11mm
12.4mm
Lug-to-Lug
46.8mm
Material
Stainless Steel
316L Stainless Steel
Finish
black
Caseback
Display

Crystal & Dial

5 specs
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Black
Grey
Indices
Applied
Lume
Luminescent
Super-LumiNova BGW9

Movement

5 specs
Caliber
SW 330-1
Sellita SW300-1
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
56h
Jewels
25
0
Complications
GMT, Date
GMT, Chronograph

Pricing

1 specs
MSRP
$2,938
$2,400
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