Side by side

Marathon Arctic OSAR 41mm AutomaticvsCitizen Promaster Diver Ecozilla

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 Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469

At a glance

11 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Promaster Diver Ecozilla48mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Promaster Diver Ecozilla40h
Water Resistance
Arctic OSAR 41mm Automatic300m
Promaster Diver Ecozilla300m
MSRP
Arctic OSAR 41mm Automatic$1,800
Promaster Diver Ecozilla$469

Full specifications

Case

5 specs
Diameter
41mm
48mm
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
29mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW220-1
B873
Type
Automatic
Solar

Pricing

1 specs
MSRP
$1,800
$469

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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 Ecozilla

The Citizen Promaster Diver Ecozilla is widely praised for its reassuringly solid, overbuilt feel and excellent value, especially when on sale. Owners note that the second hand hits its markers well, with one owner reporting all nine of their Citizen watches exhibit proper alignment. The watch features robust 300m water resistance and vibrant lume. However, its substantial 48mm size and 18.6mm thickness create a massive wrist presence, and some owners question its wearability due to its chunky dimensions, with one noting the stainless steel version weighs a ton. On balance, owners and reviewers rate the Citizen Promaster Diver Ecozilla highly for its robust build and excellent value proposition.

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