Side by side

Marathon Arctic OSAR 41mm AutomaticvsCWC Automatic Divers Watch Mk.2 Black

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
Automatic Divers Watch Mk.2 Black
CWCAutomatic Divers Watch Mk.2 Black
MSRP $1,249

At a glance

8 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Automatic Divers Watch Mk.2 Black41mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Automatic Divers Watch Mk.2 Black40h
Water Resistance
Arctic OSAR 41mm Automatic300m
Automatic Divers Watch Mk.2 Black300m
MSRP
Arctic OSAR 41mm Automatic$1,800
Automatic Divers Watch Mk.2 Black$1,249

Full specifications

Case

4 specs
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
47mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
Dial Color
White
CWC Automatic Divers Watch Mk.2 Black (SF300 AS120)
Lume
None
Super-LumiNova

Movement

1 specs
Caliber
Sellita SW220-1
Sellita SW200-1

Pricing

1 specs
MSRP
$1,800
$1,249

Follow this matchup

Get a note when Marathon Arctic OSAR 41mm Automatic vs CWC Automatic Divers Watch Mk.2 Black 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.

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 Automatic Divers Watch Mk.2 Black

Owners widely praise the CWC Automatic Divers Watch Mk.2 Black for its brushed chapter ring, precise 120-click bezel, clear sapphire crystal, excellent case finishing, and significantly improved lume. The watch is considered a terrific value with solid construction. Some owners express a preference for a matte finish for a more tool-like appearance, though polished versions offer a dressier look and easier scratch removal. On balance, owners rate the CWC Automatic Divers Watch Mk.2 Black highly for its tool-like features and excellent value.

From video reviewers

The bezel action is smooth. The price has increased due to popularity.

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.