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 $431

At a glance

12 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Promaster Diver46mm
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$431

Full specifications

Case

6 specs
Diameter
41mm
46mm
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Mineral
AR Coating
Inner
Underside
Dial Color
White
Blue

Movement

2 specs
Caliber
Sellita SW220-1
B612
Type
Automatic
Solar

Pricing

1 specs
MSRP
$1,800
$431

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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

The Citizen Promaster Diver is praised for its handsome dial made from recycled materials and its accurate Ecodrive movement, running +1 second in 7 days. Owners note potential difficulty maintaining charge in a large collection and minor alignment issues with the bezel and chapter ring. One owner reports an automatic movement with +20/-40 seconds a day accuracy. On balance, owners appreciate the Citizen Promaster Diver for its distinctive dial and reliable Ecodrive movement.

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