Side by side

Christopher Ward C1 Moonphase 40vsGrand Seiko SBGP015

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
SBGP015
Grand SeikoSBGP015
MSRP $3,800
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.

Grand Seiko SBGP015

Owners widely praise the Grand Seiko SBGP015 for its stupendous, substantial, and classy versatility, with reviewers noting the dial print is exceptionally sharp, casting shadows under light. The Grand Seiko 9F85 quartz movement is lauded for its excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is listed for £1900. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and the accuracy of its 9F85 quartz movement.

From video reviewers

The high accuracy of the Caliber 9F85 quartz movement is a significant strength. Reviewers noted the movement's ±10 seconds per year accuracy. The limited 100-meter water resistance was cited as a potential drawback.

At a glance

14 of 29 specs differ
Diameter
C1 Moonphase 4040mm
SBGP01540mm
Power Reserve
C1 Moonphase 4038h
SBGP01540h
Water Resistance
C1 Moonphase 4030m
SBGP015200m
MSRP
C1 Moonphase 40$2,850
SBGP015$3,800

Full specifications

Case

4 specs
Category
Diver
Thickness
13.3mm
12.4mm
Lug-to-Lug
47.9mm
47.1mm
Water Resistance
30m
200m

Crystal & Dial

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

Movement

6 specs
Caliber
SW220-1
9F85
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
$3,800
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