Side by side

Christopher Ward C1 Moonphase 40vsSpinnaker Dumas GMT

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

C1 Moonphase 40
Christopher WardC1 Moonphase 40
MSRP $3,050
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

16 of 29 specs differ
Diameter
C1 Moonphase 4047.9mm
Dumas GMT44mm
Power Reserve
C1 Moonphase 4038h
Dumas GMT40h
Water Resistance
C1 Moonphase 4030m
Dumas GMT300m
MSRP
C1 Moonphase 40$3,050
Dumas GMT$399

Full specifications

Case

8 specs
Category
GMT
Diameter
47.9mm
44mm
Thickness
13.3mm
15mm
Lug-to-Lug
47.9mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
300m

Crystal & Dial

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

Movement

5 specs
Caliber
SW220
Seiko NH34A
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
25
Complications
Moonphase, Day-date
None

Pricing

1 specs
MSRP
$3,050
$399

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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 captivating aventurine dial and photorealistic, luminescent moon, with many receiving compliments and finding it a stylish, lightweight, and comfortable daily wear. The in-house Calibre JJ04 module's 128-year moon tracking is a notable feature. However, multiple owners find the lack of dial indices and bezel markings, along with unlumed hands, makes precise time-telling difficult, with some describing it as more of a jewelry piece than a functional timepiece. One owner experienced a movement issue requiring warranty repair within the first year, and another noted frustration with customer service. The 40.5mm case size is considered sporty by some, and the design is described as "shouty" by a few. On balance, owners highly rate the Christopher Ward C1 Moonphase 40 for its stunning moonphase display and aesthetic appeal at its price point, despite legibility concerns.

From video reviewers

The aventurine dial and Globolight lume are praised for their realistic starry night effect. The 3 ATM water resistance is a significant limitation.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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