Side by side

CWC G40 Quartz WatchvsSeiko Prospex Sea

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

G40 Quartz Watch
CWCG40 Quartz Watch
MSRP $333
Prospex Sea
SeikoProspex Sea

At a glance

12 of 29 specs differ
Diameter
G40 Quartz Watch40mm
Prospex Sea42mm
Power Reserve
G40 Quartz Watch40h
Prospex Sea72h
Water Resistance
G40 Quartz Watch200m
Prospex Sea300m
MSRP
G40 Quartz Watch$333
Prospex Sea

Full specifications

Case

5 specs
Category
Field
Diver
Diameter
40mm
42mm
Thickness
12mm
13.3mm
Lug-to-Lug
46mm
48.6mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
CWC G40 Quartz Watch
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$333

Follow this matchup

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

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.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, solid build, and comfortable wearability, with specific mentions of its matte black dial, excellent lume, and cushion case that wears smaller than its dimensions suggest. The 4R36 movement is noted for hacking and hand-winding capabilities, and the bezel action is described as smooth and precise. Some owners find the watch to be a legitimate tool with a fair price, while others describe it as big, thick, and heavy, uncomfortable for smaller wrists, though this is subjective as one owner found the size perfect. The solar quartz movement is also highlighted as a collection-worthy feature. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and comfortable, classic design.

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.

Adjacent matchups

People also compared

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