Side by side

Marathon Arctic OSAR 46mm AutomaticvsHamilton Khaki Navy Scuba Automatic GMT 43mm Bronze

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

At a glance

10 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Khaki Navy Scuba Automatic GMT 43mm Bronze43mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Khaki Navy Scuba Automatic GMT 43mm Bronze80h
Water Resistance
Arctic OSAR 46mm Automatic300m
Khaki Navy Scuba Automatic GMT 43mm Bronze300m
MSRP
Arctic OSAR 46mm Automatic$2,500
Khaki Navy Scuba Automatic GMT 43mm Bronze$1,675

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
46mm
43mm
Thickness
13mm
13.9mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

2 specs
Caliber
Sellita SW220-1
H-14
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$2,500
$1,675

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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 Navy Scuba Automatic GMT 43mm Bronze

The Hamilton Khaki Navy Scuba Automatic GMT 43mm Bronze is widely praised for its excellent fit and finish, pleasing proportions with a 22mm lug width, and a matte dial that minimizes glare. Owners appreciate its 300 meters of water resistance, 80-hour power reserve from the H-14 automatic GMT movement, and the fact that it wears smaller than its 43mm size suggests. Some owners find the flush crown guards and rock-solid feel make it an outstanding beater dive watch. However, opinions are split on the date placement, dial markers, and logo text size, with some preferring a cleaner look and faster setting due to the lack of a date window, while others note the absence of a lumed bezel pip. One owner dislikes the trade-offs for the 80-hour power reserve, preferring a smoother second hand sweep and more torque, and finds the bezel action tight.

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