Side by side

Marathon Arctic OSAR 41mm AutomaticvsCWC G40 Sonar Quartz Watch

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

Arctic OSAR 41mm Automatic
MarathonArctic OSAR 41mm Automatic
MSRP $1,800
G40 Sonar Quartz Watch
CWCG40 Sonar Quartz Watch
MSRP $333

At a glance

12 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
G40 Sonar Quartz Watch40mm
Power Reserve
Arctic OSAR 41mm Automatic40h
G40 Sonar Quartz Watch40h
Water Resistance
Arctic OSAR 41mm Automatic300m
G40 Sonar Quartz Watch200m
MSRP
Arctic OSAR 41mm Automatic$1,800
G40 Sonar Quartz Watch$333

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
41mm
40mm
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
CWC G40 Sonar Quartz Watch
Lume
None
Super-LumiNova

Movement

1 specs
Caliber
Sellita SW220-1

Pricing

1 specs
MSRP
$1,800
$333

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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.

Marathon Arctic OSAR 41mm Automatic

The Marathon Arctic OSAR 41mm Automatic is noted for its comfortable wearability on wrists under 7 inches, with one owner finding the 41mm size perfect. Accuracy observations vary, with one owner reporting a consistent +1 second per day and another noting -20 seconds per day. The watch features a Sellita automatic movement and has dimensions of 14mm thickness and a 48mm lug-to-lug. Overall, owners appreciate the Marathon Arctic OSAR 41mm Automatic for its comfortable fit and Marathon's overall appeal.

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.

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