Side by side

Sinn 900 DIAPALvsOak & Oscar The Humboldt ExP-02

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

900 DIAPAL
Sinn900 DIAPAL
MSRP $5,000
The Humboldt ExP-02
Oak & OscarThe Humboldt ExP-02
MSRP $2,400

At a glance

16 of 29 specs differ
Diameter
900 DIAPAL44mm
The Humboldt ExP-0239.5mm
Power Reserve
900 DIAPAL42h
The Humboldt ExP-0256h
Water Resistance
900 DIAPAL200m
The Humboldt ExP-02200m
MSRP
900 DIAPAL$5,000
The Humboldt ExP-02$2,400

Full specifications

Case

7 specs
Diameter
44mm
39.5mm
Thickness
15.5mm
12.4mm
Lug-to-Lug
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
satinized
Brushed and polished
Caseback
Display

Crystal & Dial

4 specs
Crystal Shape
Double-domed
AR Coating
Underside
Inner
Dial Color
Anthracite
Grey
Lume
Luminescent
Super-LumiNova BGW9

Movement

4 specs
Caliber
LJP L120
Sellita SW300
Power Reserve
42h
56h
Jewels
26
25
Complications
GMT, Date, Chronograph, Pilot's Bezel
GMT, Chronograph

Pricing

1 specs
MSRP
$5,000
$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.

Sinn 900 DIAPAL

Owners praise the Sinn 900 DIAPAL for its 24-hour GMT hand and Sinn's proprietary technologies including the TEGIMENT case, AR dehumidification, and copper phosphate tablet. The internal rotating bezel is noted as very easy to turn but prone to being knocked out of position, making it unreliable for elapsed time. Some owners find the large dial contributes to an illusion of a bigger watch. On balance, owners value the Sinn 900 DIAPAL for its advanced proprietary technologies and GMT functionality.

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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