Side by side

CWC G40 Sonar Quartz WatchvsGrand Seiko SBGH263

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

G40 Sonar Quartz Watch
CWCG40 Sonar Quartz Watch
MSRP $333
SBGH263
Grand SeikoSBGH263
MSRP $6,200
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 Sonar Quartz Watch

Owners widely appreciate the CWC G40 Sonar Quartz Watch for its classic G10 design, 40mm case size, and 20atm water resistance, noting its light, rugged, and reliable "grab-n-go" nature. Some find the dial proportions have too much negative space, while others praise its unique anodized red crown and quality NATO straps. A larger crown can dig into the wrist, and the lack of a battery hatch is a trade-off for its 100m water resistance. On balance, owners value the CWC G40 Sonar Quartz Watch for its robust build and classic aesthetic, though its price point and competition are frequently cited concerns.

Grand Seiko SBGH263

The Grand Seiko SBGH263 is praised for its excellent finishing for the price, with reviewers comparing it to Jaeger-LeCoultre. Owners and reviewers highlight the stunning 'Shironeri' dial and gold hands/numerals, and the 39.5mm case size is considered a perfect fit, referencing vintage Grand Seiko models. The watch features a 55-hour power reserve from its 36,000 BPH movement, though one reviewer felt the date aperture was unnecessary. On balance, owners and reviewers rate the Grand Seiko SBGH263 highly for its exceptional dial and finishing at its price point.

At a glance

10 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
SBGH26339.5mm
Power Reserve
G40 Sonar Quartz Watch40h
SBGH26355h
Water Resistance
G40 Sonar Quartz Watch200m
SBGH26330m
MSRP
G40 Sonar Quartz Watch$333
SBGH263$6,200

Full specifications

Case

5 specs
Category
Field
Dress
Diameter
40mm
39.5mm
Thickness
12mm
13.1mm
Lug Width
20mm
19mm
Water Resistance
200m
30m

Crystal & Dial

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

Movement

2 specs
Caliber
9S85
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$333
$6,200
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when CWC G40 Sonar Quartz Watch vs Grand Seiko SBGH263 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.