Marathon Arctic OSAR 41mm AutomaticvsOrient M-Force AC0N

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Marathon Arctic OSAR 41mm Automatic at true scale

Arctic OSAR 41mm Automatic

Orient M-Force AC0N at true scale

M-Force AC0N

Diameter

41mm

45mm

Lug-to-Lug

43.5mm

lowest

52mm

Thickness

13mm

12.8mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

40h

MSRP

$1,800

$555

lowest

Movement

Sellita SW220-1

Orient F6 Series

Case

6 specs
Diameter
41mm
45mm
Thickness
13mm
12.8mm
Lug-to-Lug
43.5mm
52mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
n/a
Underside
Dial Color
White
Green

Movement

7 specs
Caliber
Sellita SW220-1
Orient F6 Series
Beat Rate
0 vph
21,600 vph
Power Reserve
0h
40h
Jewels
0
22
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
Date

Pricing

1 specs
MSRP
$1,800
$555
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marathon Arctic OSAR 41mm Automatic

Owners widely praise the Marathon Arctic OSAR 41mm Automatic for its comfortable wearability, with one owner noting it feels lightweight and wears perfectly on a sub-7-inch wrist. The watch is designed for legibility, featuring oversized hour markers as a tool watch. Accuracy observations vary, with one owner reporting a consistent +1 second per day, while another noted -20 seconds per day. The bracelet is described as lacking refinement, with no quick-release or toolless micro-adjustment. On balance, owners and reviewers appreciate the Marathon Arctic OSAR 41mm Automatic for its tool-watch legibility and comfortable wear, though some question its value at the current price point.

Orient M-Force AC0N

Owners widely praise the Orient M-Force AC0N for its rugged, tank-like appearance and the perceived reliability of its Japanese automatic movement, with some noting its robust build quality and superior diver bezel. The watch features a striking green dial with unique indices, and its lume is described as excellent by one owner, though another finds its low-light legibility poor due to weak lume. Accuracy varies, with one owner reporting +12 seconds per day as stable, while another found it kept near-perfect time when fully wound. A minor concern noted by one owner is a wobbly crown. Despite some finding the 45mm case too large and flashy for daily wear, many owners praise the Orient M-Force AC0N's toughness and value. Overall, owners rate the Orient M-Force AC0N highly for its rugged aesthetic and perceived durability at the price point.