Side by side

CWC G40 Quartz WatchvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

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

G40 Quartz Watch
CWCG40 Quartz Watch
MSRP $333

At a glance

12 of 29 specs differ
Diameter
G40 Quartz Watch40mm
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Power Reserve
G40 Quartz Watch40h
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Water Resistance
G40 Quartz Watch200m
Prospex Sea 1968 Heritage Diver's GMT Watch300m
MSRP
G40 Quartz Watch$333
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

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
$1,700

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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.

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 1968 Heritage Diver's GMT Watch

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch offers a 300-meter depth rating and a caller-style GMT complication powered by the Caliber 6R54 movement, which provides a 72-hour power reserve. Reviewers note its refined clasp with extensive micro-adjustment. However, the movement's accuracy, ranging from +25 to -15 seconds per day, is considered a drawback by some. Overall, reviewers highlight the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch as a good reminder of Seiko's value, despite the wide accuracy range of its movement.

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