Hamilton American Classic Intra-Matic AutovsKnot Watches CMP-38RGGR

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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.

American Classic Intra-Matic Auto

CMP-38RGGR
Diameter
40mm
38mm
Thickness
10.9mm
8mm
lowest
Water Resistance
50m
highest
30m
Power Reserve
80h
n/a
MSRP
$1,275
$192
lowest
Movement
Hamilton H-10
Miyota 6P00
Case
5 specsCrystal & Dial
1 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 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.
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.
Owners widely praise the Knot Watches CMP-38RGGR for its attractive price and quality finishing, with some appreciating the classy red dial featuring gold flecks and the 38mm size suitable for smaller wrists. One owner highlights its surprising lightness and a comfortable, soft leather strap that needs no break-in, alongside efficient shipping from Japan. However, opinions on the design are mixed, with one owner finding it unappealing and another disappointed by the strap, clasp, and engraving quality. On balance, owners rate the Knot Watches CMP-38RGGR highly for its value and wearability, despite some reservations about specific finishing details.
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