Side by side

Christopher Ward C1 Moonphase 37vsGrand Seiko SLGH017

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

C1 Moonphase 37
Christopher WardC1 Moonphase 37
MSRP $3,050
SLGH017
Grand SeikoSLGH017
MSRP $10,500

At a glance

16 of 29 specs differ
Diameter
C1 Moonphase 3744.07mm
SLGH01740mm
Power Reserve
C1 Moonphase 3738h
SLGH01780h
Water Resistance
C1 Moonphase 3730m
SLGH017100m
MSRP
C1 Moonphase 37$3,050
SLGH017$10,500

Full specifications

Case

7 specs
Diameter
44.07mm
40mm
Thickness
13.1mm
11.7mm
Lug-to-Lug
44.07mm
47mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black
Lume
SLN X1 WL C1
None

Movement

5 specs
Caliber
SW220
9SA5
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
80h
Jewels
26
25
Complications
Moonphase
None

Pricing

1 specs
MSRP
$3,050
$10,500

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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 37

Owners widely praise the Christopher Ward C1 Moonphase 37 for its aventurine dial and moon display, with one user awarding it a perfect score for its celestial theme. However, the lack of hour markers and lume-less hands make time-telling difficult, and hands can disappear against the dial. The COSC-certified movement averages +2.3 seconds per day, and the bracelet clasp is noted for comfort. The moonphase complication itself is reported by one owner to be inaccurate despite manufacturer attempts to correct it, though other users view such complications as primarily decorative. The 38-hour power reserve is considered short. Overall, owners rate the Christopher Ward C1 Moonphase 37 highly for its striking aventurine dial and moon focus, despite challenges with legibility and the practical accuracy of its moonphase complication.

Grand Seiko SLGH017

Grand Seiko SLGH017 owners and reviewers widely praise its impeccable finishing on the applied markers and handset, and its lightweight titanium case and bracelet. The high-beat 9SA5 movement is noted for its approximately 80-hour power reserve, with accuracy figures reported by owners ranging from +4 sec/day to +5 to -3 seconds per day, though some owners express concerns about accuracy deviating significantly from specifications. Some find the "Night Birch" dial stunning and appreciate the Evo 9 case design, while others note the dial texture appears less pronounced on its matte black surface and criticize the handset's proportions and lack of lume. The Grand Seiko SLGH017 is priced at €10,500. On balance, owners and reviewers rate the Grand Seiko SLGH017 highly for its lightweight titanium construction and impeccable finishing.

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