Side by side

Marathon Arctic OSAR 41mm AutomaticvsCitizen Series 8 870

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
Series 8 870
CitizenSeries 8 870
MSRP $1,595

At a glance

12 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Series 8 87040.8mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Series 8 87050h
Water Resistance
Arctic OSAR 41mm Automatic300m
Series 8 870100m
MSRP
Arctic OSAR 41mm Automatic$1,800
Series 8 870$1,595

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41mm
40.8mm
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
11mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Dial Color
White
Grey

Movement

2 specs
Caliber
Sellita SW220-1
0950
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$1,800
$1,595

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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.

Citizen Series 8 870

The Citizen Series 8 870 is praised for its sharp 40mm steel case with unique bezel construction and a glossy dial featuring finely brushed and polished applied hour markers. It is powered by the in-house caliber 0950 automatic movement, which operates at 4Hz and offers a 50-hour power reserve with enhanced magnetic resistance. The limited edition features a black Duratect DLC coated case, a carbon fiber dial, and is regulated to -5/+10 seconds per day. On balance, reviewers highlight the Series 8 870's distinctive case finishing and the robust in-house movement as key strengths.

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