Hamilton Jazzmaster Day Date AutovsSternglas Naos Automatik
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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 Day Date Auto
Naos Automatik
Diameter
40mm
38mm
Lug-to-Lug
n/a
43mm
Thickness
11.5mm
lowest
12mm
Water Resistance
50m
50m
Power Reserve
80h
highest
42h
MSRP
$1,045
$463
lowest
Movement
Hamilton H-40
Miyota 8215
Case
3 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 Jazzmaster Day Date Auto for its versatility as an everyday and business-casual timepiece, with some questioning its suitability for formal wear. One owner selected it as an engagement gift, viewing it as a strong foundation for a watch collection, while another found it to be the best-fitting option after trying several watches. The Hamilton Jazzmaster Day Date Auto is also noted for offering great value for money. Overall, owners rate the Hamilton Jazzmaster Day Date Auto highly for its versatility and perceived value.
The watch offers excellent build quality for its price point, with an 80-hour power reserve from the H-40 movement. The 50-meter water resistance is a limitation. Reviewers disagreed on the aesthetic appeal of the date window at 6 o'clock.
The Sternglas Naos Automatik is praised for its stylish Bauhaus design and solid build quality for its price, featuring a sapphire crystal and elegant case. Owners find the 38mm model lighter than comparable watches and prefer its aesthetic over smartwatches. However, some dial text is too small and slim for easy readability, and the Milanese strap and clasp are considered lower quality, with the quick-change system not meeting advertised standards. On balance, owners and reviewers rate the Sternglas Naos Automatik highly for its Bauhaus design and build quality at its price point.
The German minimalist and Bauhaus aesthetic is a key strength. Reviewers did not agree on any specific weaknesses. Reviewers disagreed on whether the watch offers superior value compared to the Junghans Max Bill.
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