Santurce Guaraguao Time Only — Automatic Pilot WatchvsSerket Watch Co Pilot Commander
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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.

Guaraguao Time Only — Automatic Pilot Watch

Pilot Commander
Diameter
42mm
42mm
Lug-to-Lug
51mm
lowest
52.5mm
Thickness
11.7mm
11.5mm
lowest
Water Resistance
300m
highest
30m
MSRP
$949
$349
lowest
Movement
Miyota 9075
Seagull ST3600
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
The Serket Watch Co Pilot Commander features Arabic numerals and a large crown for legibility and glove compatibility, with a design that some owners associate with a large watch face characteristic of pilot watches. One owner appreciates the "serious instrument" aesthetic of the slide rule bezel, though finds its scale too small for practical use. On balance, owners value the Serket Watch Co Pilot Commander for its distinct pilot watch aesthetic and functional crown design.
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