Hamilton Khaki Field MechanicalvsTimefactors PRS-29A

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Hamilton Khaki Field Mechanical at true scale

Khaki Field Mechanical

Timefactors PRS-29A at true scale

PRS-29A

Diameter

36mm

36mm

Lug-to-Lug

46mm

lowest

46.8mm

Thickness

10.2mm

lowest

11.1mm

Water Resistance

100m

100m

Power Reserve

80h

n/a

MSRP

$725

$544

lowest

Movement

Hamilton H-50

ETA 2801-2

Case

2 specs
Thickness
10.2mm
11.1mm
Lug-to-Lug
46mm
46.8mm

Crystal & Dial

2 specs
Crystal
Acrylic
Sapphire
Lume
None
SuperLuminova C3

Movement

2 specs
Caliber
Hamilton H-50
ETA 2801-2
Power Reserve
80h
n/a

Pricing

1 specs
MSRP
$725
$544
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton Khaki Field Mechanical

Owners widely praise the Hamilton Khaki Field Mechanical as the archetype of a field watch, highlighting its thin 36mm case, excellent finishing, smooth manual winding action, and iconic, rugged aesthetic. Some owners find the daily winding ritual a charming aspect of ownership, and the subtle branding is noted as blending well with the overall design. One drawback mentioned is the highly reflective, non-AR-coated crystal, and accuracy varies, with one owner reporting -6 seconds per day. Overall, owners rate the Hamilton Khaki Field Mechanical highly for its iconic design and excellent finishing at the price.

From video reviewers

The watch's pure field style design is a significant strength. The lume brightness is a shared weakness. Reviewers disagreed on the power reserve, with one stating 80 hours and another 46 hours.

Timefactors PRS-29A

Owners widely praise the Timefactors PRS-29A for its excellent value and craftsmanship, noting its classic design, 36mm case size, and manual-wind ETA 2801-2 movement. Community members highlight its anti-magnetic properties and 100m water resistance, with some finding it a functional piece of watchmaking history and a great grab-and-go beater. Accuracy varies, with one owner reporting +5 seconds per day, while another desires a screw-down crown for improved water resistance. Criticisms also include poor lume and an uncomfortable OEM NATO strap, though one owner specifically praises the sapphire crystal. Overall, owners rate the Timefactors PRS-29A highly for its compact size and value as a military/field watch.