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.

Hamilton Khaki Field Expedition Auto at true scale

Khaki Field Expedition Auto

Timefactors PRS-57 at true scale

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 specs
Diameter
37mm
40mm
Thickness
11.45mm
15mm
Lug-to-Lug
n/a
46mm

Crystal & Dial

2 specs
Dial Color
White
n/a
Lume
None
SuperLuminova X1-C3

Movement

2 specs
Caliber
Hamilton H-10
Sellita SW510
Power Reserve
80h
62h

Pricing

1 specs
MSRP
$1,245
$1,268
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Reviews

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

Hamilton Khaki Field Expedition Auto

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.

Timefactors PRS-57

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.