Side by side

CWC G40 Sonar Quartz WatchvsPhoibos Reef Master

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
Reef Master
PhoibosReef Master
MSRP $335

At a glance

8 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
Reef Master42mm
Power Reserve
G40 Sonar Quartz Watch40h
Reef Master40h
Water Resistance
G40 Sonar Quartz Watch200m
Reef Master200m
MSRP
G40 Sonar Quartz Watch$333
Reef Master$335

Full specifications

Case

5 specs
Category
Field
Diver
Diameter
40mm
42mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
CWC G40 Sonar Quartz Watch
Green

Movement

1 specs
Caliber
SII NH38

Pricing

1 specs
MSRP
$333
$335

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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 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.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

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