Hamilton Khaki Aviation Pilot Day Date AutovsSanturce Guaraguao Time Only — 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.

Hamilton Khaki Aviation Pilot Day Date Auto at true scale

Khaki Aviation Pilot Day Date Auto

Santurce Guaraguao Time Only — Automatic Pilot Watch at true scale

Guaraguao Time Only — 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

$949

lowest

Movement

Hamilton H-40

Miyota 9075

Case

4 specs
Thickness
11.85mm
11.7mm
Lug-to-Lug
n/a
51mm
Lug Width
20mm
22mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
n/a
Yes
Dial Color
Black
n/a

Movement

2 specs
Caliber
Hamilton H-40
Miyota 9075
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$1,125
$949
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Reviews

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

Hamilton Khaki Aviation Pilot Day Date Auto

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.

Santurce Guaraguao Time Only — Automatic Pilot Watch

Owners widely praise the Santurce Guaraguao Time Only — Automatic Pilot Watch as a versatile bargain with excellent specifications, highlighting its strap versatility, bright lume, good customer service, and packaging. Some owners note the watch feels solid and wears well on a 7-inch wrist. Criticisms include a seconds hand that some find uninspired and a date window described as boring, with the prominent branding being a point of division. On balance, owners rate the Santurce Guaraguao Time Only — Automatic Pilot Watch highly for its value and lume.

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