Side by side

Christopher Ward C1 Moonphase 40vsSeiko 5 Sports SKX series

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
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315

At a glance

15 of 29 specs differ
Diameter
C1 Moonphase 4040mm
5 Sports SKX series28mm
Power Reserve
C1 Moonphase 4038h
5 Sports SKX series40h
Water Resistance
C1 Moonphase 4030m
5 Sports SKX series100m
MSRP
C1 Moonphase 40$2,850
5 Sports SKX series$315

Full specifications

Case

6 specs
Category
Sport
Diameter
40mm
28mm
Thickness
13.3mm
11.2mm
Lug-to-Lug
47.9mm
33.1mm
Lug Width
20mm
14mm
Water Resistance
30m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Blue
Black
Lume
SLN X1 WL C1
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SW220-1
2R06
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
21
Complications
Moonphase
None

Pricing

1 specs
MSRP
$2,850
$315

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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.

Seiko 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

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