Side by side

CWC G40 Sonar Quartz WatchvsGrand Seiko SBGJ259

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
SBGJ259
Grand SeikoSBGJ259
MSRP $7,700
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 SBGJ259

The Grand Seiko SBGJ259 "Urban Bamboo" is admired for its striking green dial, though one owner notes its color appears more yellow in person than in promotional photos. It is considered a dressier piece compared to other models. On balance, owners appreciate the Grand Seiko SBGJ259 for its unique dial color and dressy aesthetic.

At a glance

10 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
SBGJ25940mm
Power Reserve
G40 Sonar Quartz Watch40h
SBGJ25955h
Water Resistance
G40 Sonar Quartz Watch200m
SBGJ259100m
MSRP
G40 Sonar Quartz Watch$333
SBGJ259$7,700

Full specifications

Case

5 specs
Category
Field
GMT
Thickness
12mm
14mm
Lug-to-Lug
46mm
46.2mm
Lug Width
20mm
19mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
9S86
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$333
$7,700
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 SBGJ259 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.