Hamilton Jazzmaster Day Date AutovsKnot Watches AT-38BKBK

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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.

Jazzmaster Day Date Auto

AT-38BKBK
Diameter
40mm
38mm
Thickness
11.5mm
10mm
lowest
Water Resistance
50m
50m
Power Reserve
80h
highest
45h
MSRP
$1,045
$517
lowest
Movement
Hamilton H-40
Miyota 9015
Case
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Hamilton Jazzmaster Day Date Auto for its versatility as an everyday and business-casual timepiece, with some questioning its suitability for formal wear. One owner selected it as an engagement gift, viewing it as a strong foundation for a watch collection, while another found it to be the best-fitting option after trying several watches. The Hamilton Jazzmaster Day Date Auto is also noted for offering great value for money. Overall, owners rate the Hamilton Jazzmaster Day Date Auto highly for its versatility and perceived value.
The watch offers excellent build quality for its price point, with an 80-hour power reserve from the H-40 movement. The 50-meter water resistance is a limitation. Reviewers disagreed on the aesthetic appeal of the date window at 6 o'clock.
Knot Watches AT-38BKBK owners praise its 38mm case size, which fits smaller wrists well, and a deep red dial with gold dusting. Some owners find the watch surprisingly light with a comfortable leather strap, though others report disappointment with strap quality and engraving. Legibility is noted as not as good as other models, and the lugs are considered a bit thick by one owner, potentially impacting strap interchangeability. The Miyota 9015 movement is generally considered comparable to the NH35. Overall, owners are happy with their Knot Watches AT-38BKBK purchase, particularly appreciating the dial and wearability at its price point.
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