Which is cheaper, the Marathon Arctic OSAR 41mm Automatic or the Hamilton Khaki Field Mechanical Bronze?

At MSRP the Hamilton Khaki Field Mechanical Bronze is the cheaper of the two at $1,025, against $1,800 for the Marathon Arctic OSAR 41mm Automatic — a $775 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 41mm Automatic or the Hamilton Khaki Field Mechanical Bronze?

The Marathon Arctic OSAR 41mm Automatic wears larger at 41mm versus 38mm for the Hamilton Khaki Field Mechanical Bronze — a 3mm difference across the dial.

Which has better water resistance, the Marathon Arctic OSAR 41mm Automatic or the Hamilton Khaki Field Mechanical Bronze?

The Marathon Arctic OSAR 41mm Automatic is rated to 300m versus 50m for the Hamilton Khaki Field Mechanical Bronze.

Which has a longer power reserve, the Marathon Arctic OSAR 41mm Automatic or the Hamilton Khaki Field Mechanical Bronze?

The Hamilton Khaki Field Mechanical Bronze carries a 80-hour power reserve against 40 hours on the Marathon Arctic OSAR 41mm Automatic.

What movement does the Marathon Arctic OSAR 41mm Automatic run compared to the Hamilton Khaki Field Mechanical Bronze?

The Marathon Arctic OSAR 41mm Automatic runs a automatic caliber (Sellita SW220-1), while the Hamilton Khaki Field Mechanical Bronze runs a manual (H-50).

Side by side

Marathon Arctic OSAR 41mm AutomaticvsHamilton Khaki Field Mechanical Bronze

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marathon Arctic OSAR 41mm Automatic

41mm-arctic-original-sar-w-date-on-3-piece-rubber-strap-kit-osar-d

MSRP $1,800

Hamilton Khaki Field Mechanical Bronze

h69459510

MSRP $1,025

At a glance

11 of 29 specs differ

Diameter

Arctic OSAR 41mm Automatic41mm

Khaki Field Mechanical Bronze38mm

Power Reserve

Arctic OSAR 41mm Automatic40h

Khaki Field Mechanical Bronze80h

Water Resistance

Arctic OSAR 41mm Automatic300m

Khaki Field Mechanical Bronze50m

MSRP

Arctic OSAR 41mm Automatic$1,800

Khaki Field Mechanical Bronze$1,025

Full specifications

Case

7 specs

Movement

3 specs

Caliber

Sellita SW220-1

H-50

Type

Automatic

Manual

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$1,800

$1,025

Follow this matchup

Get a note when Marathon Arctic OSAR 41mm Automatic vs Hamilton Khaki Field Mechanical Bronze gets more votes, a community discussion, or a price drop. No account needed.

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.

WatchUSeek·4

Hamilton Khaki Field Mechanical Bronze

Owners and reviewers widely praise the Hamilton Khaki Field Mechanical Bronze for its attractive bronze case that develops a unique patina, its comfortable 38mm size, and the satisfying winding action of its hand-wound H-50 movement, which provides an 80-hour power reserve. The vintage military design, legible matte black dial with beige lume, and overall value are frequently highlighted as key strengths. Some owners note the lugs appear large, and while earlier models had 50m water resistance, newer versions offer 100m. Overall, owners and reviewers rate the Hamilton Khaki Field Mechanical Bronze highly for its vintage aesthetic and character-building patina at an accessible price.

From video reviewers

The watch's bronze case develops a unique patina over time, adding to its character. A potential weakness is the watch's bronze reacting with certain skin types or environments, causing discoloration or staining. Reviewers disagree on the lume brightness, with one reviewer finding it lacking and the other not mentioning it.

Keep exploring