Side by side

Marathon Arctic OSAR 41mm AutomaticvsBaltic Aquascaphe MK2

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
Aquascaphe MK2
BalticAquascaphe MK2
MSRP $680

At a glance

12 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Aquascaphe MK237mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Aquascaphe MK242h
Water Resistance
Arctic OSAR 41mm Automatic300m
Aquascaphe MK2200m
MSRP
Arctic OSAR 41mm Automatic$1,800
Aquascaphe MK2$680

Full specifications

Case

6 specs
Diameter
41mm
37mm
Thickness
13mm
12.9mm
Lug-to-Lug
43.5mm
45mm
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
Blue
Lume
None
BGW9

Movement

2 specs
Caliber
Sellita SW220-1
Miyota 9039
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$1,800
$680

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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.

Baltic Aquascaphe MK2

The Baltic Aquascaphe MK2 is widely praised for its refined case design, improved lume with applied markers, and added crown guards, presenting a sharper and more purposeful neo-retro dive watch. Owners and reviewers highlight its updated technical and design elements, including a fully graduated sapphire bezel and two case size options (37mm and 39.5mm), all while maintaining a reasonable price point. Some find the design derivative or less cohesive than its predecessor, with one owner noting the long, straight lugs as a significant drawback, while others appreciate the dial texture and case profile. The Baltic Aquascaphe MK2 is powered by the Miyota 9039 movement with a 42-hour power reserve and offers 200m water resistance. Overall, owners and reviewers rate the Baltic Aquascaphe MK2 highly for its value and contemporary updates to a tool-watch heritage.

From video reviewers

The Baltic Aquascaphe MK2 features 3D Super-LumiNova indexes for improved legibility. A notable weakness is the lack of lume brightness. Reviewers disagree on the optimal case size, with one reviewer noting a 41mm stainless steel case is comfortable for everyday wear, while the other mentions 37mm and 39.5mm case sizes are available.

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