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.

Hamilton Jazzmaster Slim Auto at true scale

Jazzmaster Slim Auto

Knot Watches AT-38 at true scale

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 specs
Diameter
40mm
38mm
Thickness
8.35mm
10mm
Lug Width
22mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
50m

Crystal & Dial

1 specs
Dial Color
Black
Navy

Movement

2 specs
Caliber
n/a
Miyota 9015
Power Reserve
50h
45h

Pricing

1 specs
MSRP
$825
$444
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Reviews

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

Hamilton Jazzmaster Slim Auto

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 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.

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