Side by side

Christopher Ward C1 Moonphase 37vsGrand Seiko SBGR321

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
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

14 of 29 specs differ
Diameter
C1 Moonphase 3744.07mm
SBGR32140mm
Power Reserve
C1 Moonphase 3738h
SBGR32172h
Water Resistance
C1 Moonphase 3730m
SBGR321100m
MSRP
C1 Moonphase 37$3,050
SBGR321$5,200

Full specifications

Case

5 specs
Diameter
44.07mm
40mm
Thickness
13.1mm
13mm
Lug-to-Lug
44.07mm
46.6mm
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
9S65
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
25
Complications
Moonphase
None

Pricing

1 specs
MSRP
$3,050
$5,200

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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 SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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