Hamilton Jazzmaster Slim 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.

Jazzmaster Slim Auto

AT-38
Diameter
40mm
38mm
Thickness
8.3mm
lowest
10mm
Water Resistance
30m
50m
highest
Power Reserve
50h
highest
45h
MSRP
$825
$444
lowest
Movement
Automatic
Miyota 9015
Case
5 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Hamilton Jazzmaster Slim Auto for its elegance, light weight, and classy yet not boring aesthetic, with particular appreciation for its amazing leather strap and a slim 8mm thickness. Some find the 40mm case size appealing, while others mention a 43mm variant exists. The watch is noted for its ETA 2892 movement, positioning it competitively for its price. Overall, owners rate the Hamilton Jazzmaster Slim Auto highly for its slim profile and elegant design at the price.
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.
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