Hamilton Jazzmaster Seaview 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 Seaview Auto

AT-38
Diameter
37mm
38mm
Thickness
11.3mm
10mm
lowest
Water Resistance
100m
highest
50m
Power Reserve
42h
45h
highest
MSRP
$945
$444
lowest
Movement
ETA 2824-2
Miyota 9015
Case
4 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 report the Hamilton Jazzmaster line offers great value for its price. After seven years of daily wear, one owner's Hamilton Jazzmaster Seaview Auto began gaining 15 seconds per day, which was corrected to +/- 4 seconds per day after servicing and a case replacement. Some enthusiasts in the community dislike open-heart dials, finding them cluttered. On balance, owners consider the Hamilton Jazzmaster line a good value proposition, with wearability and servicing being key considerations.
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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