Side by side

Christopher Ward C1 Moonphase 40vsOak & Oscar The Humboldt ExP-02

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

C1 Moonphase 40
Christopher WardC1 Moonphase 40
MSRP $2,850
The Humboldt ExP-02
Oak & OscarThe Humboldt ExP-02
MSRP $2,400

At a glance

16 of 29 specs differ
Diameter
C1 Moonphase 4040mm
The Humboldt ExP-0239.5mm
Power Reserve
C1 Moonphase 4038h
The Humboldt ExP-0256h
Water Resistance
C1 Moonphase 4030m
The Humboldt ExP-02200m
MSRP
C1 Moonphase 40$2,850
The Humboldt ExP-02$2,400

Full specifications

Case

7 specs
Category
Tool
Diameter
40mm
39.5mm
Thickness
13.3mm
12.4mm
Lug-to-Lug
47.9mm
46.8mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
200m
Caseback
Solid
Display

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
Dial Color
Blue
Grey
Lume
SLN X1 WL C1
Super-LumiNova BGW9

Movement

5 specs
Caliber
SW220-1
Sellita SW300
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
56h
Jewels
26
25
Complications
Moonphase
GMT, Chronograph

Pricing

1 specs
MSRP
$2,850
$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.

Christopher Ward C1 Moonphase 40

Owners widely praise the Christopher Ward C1 Moonphase 40 for its stunning aventurine dial and prominent, lumed moon, with one owner calling it a 10/10 for moon display. However, the lack of dial indices and lumed hands makes time-telling difficult, and the seconds hand is considered largely meaningless for precise tracking. Accuracy averages +2.3 seconds per day with a 38-hour power reserve. On balance, owners view the Christopher Ward C1 Moonphase 40 as a showpiece dress watch for occasional wear, rather than a tool for precise timekeeping, due to its striking dial and moon complication.

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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