Side by side

Christopher Ward C1 Moonphase 40vsCitizen Promaster Skyhawk U830

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
Promaster Skyhawk U830
CitizenPromaster Skyhawk U830
MSRP $596

At a glance

15 of 29 specs differ
Diameter
C1 Moonphase 4040mm
Promaster Skyhawk U83043mm
Power Reserve
C1 Moonphase 4038h
Promaster Skyhawk U83040h
Water Resistance
C1 Moonphase 4030m
Promaster Skyhawk U830200m
MSRP
C1 Moonphase 40$2,850
Promaster Skyhawk U830$596

Full specifications

Case

6 specs
Category
Pilot
Diameter
40mm
43mm
Thickness
13.3mm
12mm
Lug-to-Lug
47.9mm
46mm
Lug Width
20mm
22mm
Water Resistance
30m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Lume
SLN X1 WL C1
None

Movement

6 specs
Caliber
SW220-1
U830
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
25
Complications
Moonphase
None

Pricing

1 specs
MSRP
$2,850
$596

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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.

Citizen Promaster Skyhawk U830

The Citizen Promaster Skyhawk U830 is praised for its updated 43mm titanium case, legible memory-in-pixel display, and cleaner, less cluttered design compared to previous versions. Reviewers highlight its versatile contemporary look and enhanced functionality from the caliber U830, while owners appreciate the MIP display and screw-down caseback. Some users find the interface clunky and the face busy, particularly noting the "calendar" label and the lack of radio or GPS time synchronization, with one owner finding the 45mm size and busy subdials less useful for non-pilots. On balance, owners and reviewers rate the Citizen Promaster Skyhawk U830 highly for its impressive technology and improved legibility in a contemporary package.

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