Hamilton Khaki Field Titanium AutovsTimefactors Speedbird PRS-51
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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 Titanium Auto
Speedbird PRS-51
Diameter
38mm
36mm
Lug-to-Lug
46mm
42mm
lowest
Thickness
11.7mm
11.4mm
lowest
Water Resistance
100m
100m
Power Reserve
80h
n/a
MSRP
$1,295
$436
lowest
Movement
Hamilton H-10
Miyota 9015
Case
5 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Hamilton Khaki Field Titanium Auto is praised for its lightweight titanium case with a matte black PVD coating offering a remarkable finish and a legible dial. Reviewers note the unusual "titanium" engraving on the case flanks. Owners report mixed reviews on water resistance. The date window's placement and color are considered an awkward choice by some. Overall, owners and reviewers rate the Hamilton Khaki Field Titanium Auto highly for its lightweight titanium case and legible dial at the price.
The watch's bezel action is smooth and clicks into place with a satisfying feel. The lume on the watch is somewhat dim, which may be a drawback for those who prefer a brighter glow in low-light conditions.
Owners widely praise the Timefactors Speedbird PRS-51 for its value and classic pilot's watch aesthetic, noting its beautiful AR sapphire crystal and minimalistic dial. The 36mm case is described as wearing thinner than expected, though some find the 5-link bracelet stiff or heavy, while others praise its drape and articulation. Accuracy figures vary, with some reporting impeccable timekeeping and others noting deviations of +7 to +10 seconds per day from the Miyota 9015 movement. Overall, owners rate the Timefactors Speedbird PRS-51 highly for its attractive flieger design and excellent value at its price point.
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