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Christopher Ward C1 Jump Hour Mk VvsOak & Oscar The Humboldt ExP-02

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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.

Christopher Ward C1 Jump Hour Mk V

Owners and reviewers widely praise the spectacular lume application and the multi-level dial design of the Christopher Ward C1 Jump Hour Mk V, noting its crisp legibility and the innovative JJ01 jump-hour module. The 39mm case is described as compact with alternating brushed and polished finishing, and the dial features a radially grooved center with a sapphire minute track. Some find the 14mm thickness and $3k price point high, while accuracy is rated at approximately ±20 seconds per day. The watch utilizes a Sellita SW200-1 base with a 38-hour power reserve. Overall, owners and reviewers appreciate the striking dial design and jump-hour complication, despite some reservations about the thickness and accuracy.

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
C1 Jump Hour Mk V47.3mm
The Humboldt ExP-0239.5mm
Power Reserve
C1 Jump Hour Mk V41h
The Humboldt ExP-0256h
Water Resistance
C1 Jump Hour Mk V30m
The Humboldt ExP-02200m
MSRP
C1 Jump Hour Mk V$3,295
The Humboldt ExP-02$2,400

Full specifications

Case

7 specs
Category
Tool
Diameter
47.3mm
39.5mm
Thickness
14mm
12.4mm
Lug-to-Lug
47.3mm
46.8mm
Finish
Brushed + Polished + Sandblasted
Water Resistance
30m
200m
Caseback
Display

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Dial Color
Noon
Grey
Indices
Applied
Lume
SLN C1 X1 BL
Super-LumiNova BGW9

Movement

5 specs
Caliber
Sellita SW200-1
Sellita SW300-1
Beat Rate
4 vph
0 vph
Power Reserve
41h
56h
Jewels
26
0
Complications
GMT, Moonphase
GMT, Chronograph

Pricing

1 specs
MSRP
$3,295
$2,400
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