Side by side

Marathon Arctic OSAR 46mm 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 46mm Automatic
MarathonArctic OSAR 46mm Automatic
MSRP $2,500
Automatic Divers Watch Mk.2 Black
CWCAutomatic Divers Watch Mk.2 Black
MSRP $1,249

At a glance

9 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Automatic Divers Watch Mk.2 Black41mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Automatic Divers Watch Mk.2 Black40h
Water Resistance
Arctic OSAR 46mm Automatic300m
Automatic Divers Watch Mk.2 Black300m
MSRP
Arctic OSAR 46mm Automatic$2,500
Automatic Divers Watch Mk.2 Black$1,249

Full specifications

Case

5 specs
Diameter
46mm
41mm
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
$2,500
$1,249

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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 46mm Automatic

Owners widely praise the Marathon Arctic OSAR 46mm Automatic for its overbuilt toughness and industrial, instrument-like aesthetic, with some preferring the Arctic dial for legibility. One owner notes the automatic movement may be unnecessary for rough use compared to a quartz option. Reviewers mention the MaraGlo luminous paint and a Sellita SW200-1 automatic movement. Some owners question its rising price and luxury positioning, with one reporting poor lume and movement performance. Overall, owners value the Marathon Arctic OSAR 46mm Automatic for its robust build and utilitarian design.

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.

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