Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsHamilton Khaki Field Auto Chrono

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

OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
Khaki Field Auto Chrono
HamiltonKhaki Field Auto Chrono
MSRP $2,175

At a glance

10 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Khaki Field Auto Chrono42mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Khaki Field Auto Chrono60h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Khaki Field Auto Chrono100m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$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

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 OSAR-D (Original SAR with Date) Automatic 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

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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