Side by side

Marathon Arctic OSAR 41mm AutomaticvsCitizen Promaster Diver

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
Promaster Diver
CitizenPromaster Diver
MSRP $338

At a glance

9 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Promaster Diver41mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Promaster Diver40h
Water Resistance
Arctic OSAR 41mm Automatic300m
Promaster Diver200m
MSRP
Arctic OSAR 41mm Automatic$1,800
Promaster Diver$338

Full specifications

Case

5 specs
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
White
Blue

Movement

2 specs
Caliber
Sellita SW220-1
E168
Type
Automatic
Solar

Pricing

1 specs
MSRP
$1,800
$338

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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 Promaster Diver

Owners widely praise the Citizen Promaster Diver for its lightweight titanium construction and comfortable wear, noting its handsome dial made from recycled materials and excellent specifications for the price. Some owners report a slightly misaligned bezel and chapter ring on their example, while others find the bezel action spongy and the bracelet subpar. The overall finish is described as unremarkable due to its brushed titanium. On balance, owners rate the Citizen Promaster Diver highly for its value and comfortable, lightweight titanium build.

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