Side by side

Christopher Ward C1 Moonphase 37vsGrand Seiko SBGM245

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
SBGM245
Grand SeikoSBGM245
MSRP $6,100
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.

From video reviewers

The dial finishing—textured surface with applied indices and aventurine depth—stands as the defining aesthetic achievement, complemented by an exceptionally accurate 128-year moonphase mechanism. The 37mm case may feel undersized for wearers transitioning from larger sports watches.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

At a glance

15 of 29 specs differ
Diameter
C1 Moonphase 3744.07mm
SBGM24540.5mm
Power Reserve
C1 Moonphase 3738h
SBGM24572h
Water Resistance
C1 Moonphase 3730m
SBGM245200m
MSRP
C1 Moonphase 37$3,050
SBGM245$6,100

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
44.07mm
40.5mm
Thickness
13.1mm
14.4mm
Lug-to-Lug
44.07mm
48.6mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
200m

Crystal & Dial

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

Movement

5 specs
Caliber
Sellita SW220-1
9S66
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
25
Complications
Moonphase
None

Pricing

1 specs
MSRP
$3,050
$6,100
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