Hamilton Khaki Aviation Pilot Day Date AutovsSanturce Guaraguao True GMT — Automatic Pilot 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 Aviation Pilot Day Date Auto
Guaraguao True GMT — Automatic Pilot Watch
Diameter
42mm
42mm
Lug-to-Lug
n/a
51mm
Thickness
11.8mm
11.7mm
lowest
Water Resistance
100m
300m
highest
Power Reserve
80h
n/a
MSRP
$1,125
$999
lowest
Movement
Hamilton H-40
Miyota 9075
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 Aviation Pilot Day Date Auto is praised as a strong entry-level Swiss pilot watch. Reviewers note the 80-hour power reserve, hacking, and quick-set day and date functions. One owner observed the rotor spinning aggressively during hand-winding at certain angles, questioning potential service needs. The day display's proximity to the center pinion is a point of criticism, with a suggestion that a date-only function might have been preferable. Overall, owners rate the Hamilton Khaki Aviation Pilot Day Date Auto highly for its robust feature set and value as an accessible pilot watch.
The Santurce Guaraguao True GMT — Automatic Pilot Watch utilizes the Miyota 9075 automatic true GMT movement. Owners note the Miyota 9075 is an affordable true GMT movement. One owner found the 15mm thickness to be substantial, though the 38mm diameter made it wear well; another user considered the lack of a date window a dealbreaker. On balance, owners find the Miyota 9075 movement appealing for its true GMT functionality at an accessible price point.
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