Side by side

Marathon Arctic OSAR 46mm AutomaticvsHamilton Khaki Field Auto Chrono

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

Arctic OSAR 46mm Automatic
MarathonArctic OSAR 46mm Automatic
MSRP $2,500
Khaki Field Auto Chrono
HamiltonKhaki Field Auto Chrono
MSRP $2,175

At a glance

11 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Khaki Field Auto Chrono42mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Khaki Field Auto Chrono60h
Water Resistance
Arctic OSAR 46mm Automatic300m
Khaki Field Auto Chrono100m
MSRP
Arctic OSAR 46mm Automatic$2,500
Khaki Field Auto Chrono$2,175

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
46mm
42mm
Thickness
13mm
14.5mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
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-21
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$2,500
$2,175

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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 46mm Automatic

Owners widely praise the Marathon Arctic OSAR 46mm Automatic for its overbuilt toughness and industrial, instrument-like aesthetic, with some preferring the Arctic dial for legibility. One owner notes the automatic movement may be unnecessary for rough use compared to a quartz option. Reviewers mention the MaraGlo luminous paint and a Sellita SW200-1 automatic movement. Some owners question its rising price and luxury positioning, with one reporting poor lume and movement performance. Overall, owners value the Marathon Arctic OSAR 46mm Automatic for its robust build and utilitarian design.

Hamilton Khaki Field Auto Chrono

The Hamilton Khaki Field Auto Chrono is widely praised for its retro military design, value proposition, and reliable ETA movement. Reviewers highlight its 42mm steel case, 100m water resistance, and the H-21 automatic movement offering a 60-hour power reserve. One editorial review notes the unusual dial layout omits a running seconds indicator for symmetry, featuring day and date windows instead. The case is described as black PVD-treated stainless steel with a brushed finish and polished bezel, complemented by a black-on-black dial with dark grey Super-LumiNova and polished Arabic numerals. Overall, owners and reviewers consider the Hamilton Khaki Field Auto Chrono a well-designed tactical sports watch offering a strong combination of style and value.

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