Side by side

Christopher Ward C1 Moonphase 40vsYema Superman Tourbillon CMM.31 Limited Edition

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
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

17 of 29 specs differ
Diameter
C1 Moonphase 4047.9mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
C1 Moonphase 4038h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
C1 Moonphase 4030m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
C1 Moonphase 40$3,050
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

7 specs
Category
Diver
Diameter
47.9mm
43mm
Thickness
13.3mm
11.7mm
Lug-to-Lug
47.9mm
Lug Width
20mm
22mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
300m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Blue
Steel
Lume
SLN X1 WL C1
None

Movement

5 specs
Caliber
SW220
Yema CMM.31 Tourbillon
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
$13,000

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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.

Yema Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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