Side by side

Hamilton Khaki Field Mechanical BronzevsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Khaki Field Mechanical Bronze
HamiltonKhaki Field Mechanical Bronze
MSRP $1,025
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

11 of 29 specs differ
Diameter
Khaki Field Mechanical Bronze38mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Khaki Field Mechanical Bronze80h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Khaki Field Mechanical Bronze50m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Khaki Field Mechanical Bronze$1,025
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
38mm
41mm
Thickness
9.6mm
14mm
Lug-to-Lug
46mm
48mm
Material
Titanium
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
White
Anthracite

Movement

3 specs
Caliber
H-50
Sellita SW200-1
Type
Manual
Automatic
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,025
$2,100

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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.

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.

Marathon GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

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