Side by side

CWC G40 Quartz WatchvsGrand Seiko SBGR321

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

G40 Quartz Watch
CWCG40 Quartz Watch
MSRP $333
SBGR321
Grand SeikoSBGR321
MSRP $5,200
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC G40 Quartz Watch

Owners widely praise the CWC G40 Quartz Watch for its robust 20atm water resistance and domed sapphire crystal, with one owner finding the faux patina subtle and natural. However, some find the dial proportions of the 40mm model to have too much negative space and ill-proportioned numerals. On balance, owners appreciate the CWC G40 Quartz Watch for its rugged build and grab-and-go reliability.

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.

At a glance

9 of 29 specs differ
Diameter
G40 Quartz Watch40mm
SBGR32140mm
Power Reserve
G40 Quartz Watch40h
SBGR32172h
Water Resistance
G40 Quartz Watch200m
SBGR321100m
MSRP
G40 Quartz Watch$333
SBGR321$5,200

Full specifications

Case

4 specs
Category
Field
Dress
Thickness
12mm
13mm
Lug-to-Lug
46mm
46.6mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
CWC G40 Quartz Watch
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
9S65
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$333
$5,200
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