Side by side

Marathon Arctic OSAR 41mm AutomaticvsHamilton Khaki Aviation Pilot Pioneer

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
Khaki Aviation Pilot Pioneer
HamiltonKhaki Aviation Pilot Pioneer
MSRP $1,095

At a glance

10 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Khaki Aviation Pilot Pioneer38mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Khaki Aviation Pilot Pioneer80h
Water Resistance
Arctic OSAR 41mm Automatic300m
Khaki Aviation Pilot Pioneer100m
MSRP
Arctic OSAR 41mm Automatic$1,800
Khaki Aviation Pilot Pioneer$1,095

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
41mm
38mm
Thickness
13mm
11.4mm
Lug-to-Lug
43.5mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

2 specs
Caliber
Sellita SW220-1
H-10
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$1,800
$1,095

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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.

Hamilton Khaki Aviation Pilot Pioneer

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer for its authentic pilot design, legible cathedral hands, and textured matte black dial, with the 36mm and 38mm case sizes noted as wearing well. The applied numerals with generous Super Luminova are a highlight, and one owner found the double AR-coated mineral crystal surprisingly scratch-free. However, the lume is not very bright or long-lasting, and the mechanical version requires about 60 crown turns to fully wind. Some owners find the rotating bezel's detents unremarkable, and the mineral crystal can scratch more easily than sapphire, though this is considered a minor drawback given the price. On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer highly for its vintage appeal and quality build at the price point.

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