Hamilton American Classic Intra-Matic Auto ChronovsKnot Watches CC-39ASV

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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 Chrono

CC-39ASV
Diameter
40mm
39mm
Thickness
14.4mm
9mm
lowest
Water Resistance
100m
highest
30m
Power Reserve
60h
n/a
MSRP
$2,645
$181
lowest
Movement
Hamilton H-31
Seiko YM91
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 Chrono for its attractive panda dial, retro design, and value, with many noting its historical significance and ability to garner compliments. Reviewers and owners alike highlight its clean, athletic aesthetic and vintage charm, with some finding it wears well and fits comfortably under dress shirts, even on smaller wrists. However, multiple sources flag its substantial thickness, ranging from 14.35mm to 14.7mm, and one owner noted the H-31 movement's rotor felt unusually spinny and the date-set button recessed. Accuracy figures vary, with one owner reporting +8 seconds per day and another +3 seconds per day. The included leather strap is frequently described as showing creasing easily or being merely utilitarian, leading some owners to explore aftermarket bracelet options.
The panda dial's contrasting subdials are a notable strength. The bracelet clasp is considered less refined than the rest of the watch.
Owners praise the Knot Watches CC-39ASV for its solid build quality, clean aesthetic, and the small seconds hand accurately hitting its markers. The watch is considered to offer superior quality compared to other brands at a similar price point. However, one owner reported poor timekeeping and a lack of customer service response. Another owner found the included strap too narrow and disliked that the "sample battery" requires sending the watch back for replacement. The mesh strap is comfortable and the watch's low weight makes it easy to wear, though the strap width is slightly undersized for standard 18mm straps. Overall, owners rate the Knot Watches CC-39ASV positively for its build quality and aesthetic, despite some concerns regarding timekeeping and strap fit.
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