Hamilton Khaki Field Mechanical Power ReservevsPraesidus Service Watch

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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 Mechanical Power Reserve

Service Watch
Diameter
40mm
42mm
Lug-to-Lug
48mm
n/a
Thickness
11.9mm
n/a
Water Resistance
100m
100m
MSRP
$1,025
$259
lowest
Movement
Hamilton H-23
Seiko NH35
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Hamilton Khaki Field Mechanical Power Reserve is noted for its 40mm sandblasted case, filling a size gap in the line. It features a manual-wind H-23 movement with an 80-hour power reserve, indicated on the dial, though one reviewer wished the indicator was more visually distinct. The case is described as 11.95mm thick, which feels noticeably thicker than other Khaki Field models. Overall, owners and reviewers appreciate the Hamilton Khaki Field Mechanical Power Reserve for adding a functional complication to the manual-wind offering within an accessible price range.
The power reserve indicator at 9 o'clock is a functional addition to the classic design. The 40mm case size and 100m water resistance are noted strengths. Reviewers did not reach a consensus on weaknesses.
Owners widely report issues with Praesidus customer service, citing slow response times and unresolved problems. One owner noted the domed glass offers vintage distortion and the unbranded dial appeals to history buffs, but experienced jumpy hand sensitivity when setting the time. Another owner reported a scratchy crown and rotor issues that persisted after warranty service, followed by a locked crown. On balance, owners express significant dissatisfaction with customer service and product reliability, overshadowing any positive design elements.
The 38mm case size is a strength for those preferring smaller watches. The dial may show slight discoloration or unevenness in finish.
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