Hamilton Khaki Field Expedition AutovsTimefactors 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.

Khaki Field Expedition Auto

PRS-29A
Diameter
37mm
36mm
Lug-to-Lug
n/a
46.8mm
Thickness
11.4mm
11.1mm
lowest
Water Resistance
100m
100m
Power Reserve
80h
n/a
MSRP
$1,245
$544
lowest
Movement
Hamilton H-10
ETA 2801-2
Case
4 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Hamilton Khaki Field Expedition Auto for its robust build, clear legibility, and versatility as a "Go Anywhere, Do Anything" watch, with many appreciating its historical connection and value as an entry-level automatic. Reviewers highlight its superb value, comfortable wearability in both 37mm and 41mm sizes, and the reliable H-10 automatic movement with an 80-hour power reserve. Some owners note water ingress issues with the non-screw-down crown, while others find the watch reliable for daily wear. The compass bezel's practical utility for navigation is questioned, but it adds to the watch's tool-like appeal. Overall, owners and reviewers rate the Hamilton Khaki Field Expedition Auto highly for its robust build and value as a versatile field/sports watch.
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.
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