Hamilton Khaki Field Expedition AutovsTimefactors PRS-57

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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-57
Diameter
37mm
40mm
Lug-to-Lug
n/a
46mm
Thickness
11.4mm
lowest
15mm
Water Resistance
100m
100m
Power Reserve
80h
highest
62h
MSRP
$1,245
lowest
$1,268
Movement
Hamilton H-10
Sellita SW510
Case
3 specsCrystal & Dial
2 specsMovement
2 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-57's 40mm sizing and sapphire crystal, with one owner finding its lume decent when fully charged, glowing dimly for at least twenty minutes. Some owners find the Smiths logo resembles breasts, and one commenter felt the watch looked too simple. The consensus is that owners rate the Timefactors PRS-57 highly for its comfortable wearability and classic design at the price.
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