Side by side

Hamilton Khaki Aviation Pilot PioneervsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Khaki Aviation Pilot Pioneer
HamiltonKhaki Aviation Pilot Pioneer
MSRP $1,095
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 Aviation Pilot Pioneer38mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Khaki Aviation Pilot Pioneer80h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Khaki Aviation Pilot Pioneer100m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Khaki Aviation Pilot Pioneer$1,095
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
38mm
41mm
Thickness
11.4mm
14mm
Lug-to-Lug
46mm
48mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

2 specs
Caliber
H-10
Sellita SW200-1
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,095
$2,100

Follow this matchup

Get a note when Hamilton Khaki Aviation Pilot Pioneer vs Marathon GSAR (Government Search & Rescue) Diver's Automatic 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.

Hamilton Khaki Aviation Pilot Pioneer

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer for its authentic pilot design, legible cathedral hands, and textured matte black dial, with the 36mm and 38mm case sizes noted as wearing well. The applied numerals with generous Super Luminova are a highlight, and one owner found the double AR-coated mineral crystal surprisingly scratch-free. However, the lume is not very bright or long-lasting, and the mechanical version requires about 60 crown turns to fully wind. Some owners find the rotating bezel's detents unremarkable, and the mineral crystal can scratch more easily than sapphire, though this is considered a minor drawback given the price. On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer highly for its vintage appeal and quality build at the price point.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.