Hamilton American Classic Intra-Matic 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 American Classic Intra-Matic Auto at true scale

American Classic Intra-Matic Auto

Knot Watches AT-38 at true scale

AT-38

Diameter

40mm

38mm

Thickness

10.9mm

10mm

lowest

Water Resistance

50m

50m

Power Reserve

80h

highest

45h

MSRP

$1,275

$444

lowest

Movement

Hamilton H-10

Miyota 9015

Case

4 specs
Diameter
40mm
38mm
Thickness
10.95mm
10mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
White
Navy

Movement

2 specs
Caliber
Hamilton H-10
Miyota 9015
Power Reserve
80h
45h

Pricing

1 specs
MSRP
$1,275
$444
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Reviews

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

Hamilton American Classic Intra-Matic Auto

Owners widely praise the Hamilton American Classic Intra-Matic Auto for its vintage charm, thinness, and perfect 40mm size, with some preferring its tachymeter and subdials over other configurations. One owner notes the rotor can be loud. On balance, owners rate the Hamilton American Classic Intra-Matic Auto highly for its vintage aesthetic and wearability at the price point.

From video reviewers

The vintage-inspired design with classic panda dial and dual-register chronograph layout captures authentic racing watch aesthetics from the mid-century era. The automatic chronograph movement delivers reliable timekeeping in a package that honors Hamilton's heritage without modern complications.

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.