Side by side

Marathon Arctic OSAR 41mm AutomaticvsCWC 6BB-WR

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
6BB-WR
CWC6BB-WR
MSRP $1,875

At a glance

10 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
6BB-WR42mm
Power Reserve
Arctic OSAR 41mm Automatic40h
6BB-WR40h
Water Resistance
Arctic OSAR 41mm Automatic300m
6BB-WR100m
MSRP
Arctic OSAR 41mm Automatic$1,800
6BB-WR$1,875

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
41mm
42mm
Thickness
13mm
14.9mm
Lug-to-Lug
43.5mm
49mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
White
CWC 6BB-WR

Movement

1 specs
Caliber
Sellita SW220-1
Sellita SW510

Pricing

1 specs
MSRP
$1,800
$1,875

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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 6BB-WR

The CWC 6BB-WR is widely praised for its legible matte black dial, strong lume, and crisp chronograph operation. Owners and reviewers note its military heritage and rugged, confidence-inspiring build with a screw-down crown and pushers. The Sellita SW510 BH b automatic movement kept time within COSC range in testing. However, its 14.9mm thickness and 80g weight make it wear large, and the cam-lever movement lacks the satisfying click of a column wheel. Fixed bars limit strap options. On balance, owners and reviewers rate the CWC 6BB-WR highly for its legible dial and robust pilot chronograph design at its price point.

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