Hamilton Jazzmaster Day Date AutovsKnot Watches AT-38

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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 Jazzmaster Day Date Auto at true scale

Jazzmaster Day Date Auto

Knot Watches AT-38 at true scale

AT-38

Diameter

40mm

38mm

Thickness

11.5mm

10mm

lowest

Water Resistance

50m

50m

Power Reserve

80h

highest

45h

MSRP

$1,045

$444

lowest

Movement

Hamilton H-40

Miyota 9015

Case

4 specs
Diameter
40mm
38mm
Thickness
11.52mm
10mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Navy

Movement

2 specs
Caliber
Hamilton H-40
Miyota 9015
Power Reserve
80h
45h

Pricing

1 specs
MSRP
$1,045
$444
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Reviews

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

Hamilton Jazzmaster Day Date Auto

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.

From video reviewers

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-38

Knot Watches Knot AT-38 owners praise its 38mm case size, 10mm case height, and 45mm lug-to-lug as fitting perfectly on smaller wrists, with one owner finding it surprisingly light and comfortable. The multi-layered Urushi lacquer dial, featuring gold applied via scraping, is described as stunning in person and a key aesthetic appeal, while the Miyota 9015 movement is considered good. Some owners note that Knot straps are too short for larger wrists and the strap width is slightly smaller than standard, preventing the use of preferred aftermarket options. On balance, owners rate the Knot Watches Knot AT-38 highly for its comfortable dimensions and the striking dial design at its price point.