Side by side

Hamilton Jazzmaster Slim AutovsSternglas Naos Pro Automatik

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Jazzmaster Slim Auto
HamiltonJazzmaster Slim Auto
MSRP $825
Naos Pro Automatik
SternglasNaos Pro Automatik
MSRP $755

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Slim Auto40mm
Naos Pro Automatik38mm
Power Reserve
Jazzmaster Slim Auto50h
Naos Pro Automatik42h
Water Resistance
Jazzmaster Slim Auto30m
Naos Pro Automatik50m
MSRP
Jazzmaster Slim Auto$825
Naos Pro Automatik$755

Full specifications

Case

5 specs
Diameter
40mm
38mm
Thickness
8.35mm
9mm
Lug-to-Lug
46mm
42.4mm
Lug Width
22mm
20mm
Water Resistance
30m
50m

Crystal & Dial

2 specs
Dial Color
Black
Lume
None
Luminova Punkte

Movement

3 specs
Caliber
No caliber
Miyota 9015
Power Reserve
50h
42h
Jewels
25

Pricing

1 specs
MSRP
$825
$755

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What people say

Owners + reviewers, side by side

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

Hamilton Jazzmaster Slim Auto

The Hamilton Jazzmaster Slim Auto is praised for its elegance, light weight, and impressive leather strap, offering a classy yet engaging aesthetic. Its thin 8mm profile, achieved partly by omitting a seconds hand and utilizing the ETA 2892 movement, contributes to its wearability. However, one owner notes the 44mm case size as being very large, and another finds it less appealing than vintage Hamilton models, though the black dial version is considered better looking. Overall, owners appreciate the Hamilton Jazzmaster Slim Auto for its slim profile and elegant design.

Sternglas Naos Pro Automatik

The Sternglas Naos Pro Automatik is praised for its slim 9mm case and Bauhaus dial design, featuring clear hour markers and a framed date window. Owners note the upgraded Miyota 9015 movement with a 4Hz beat rate. Accuracy is reported as -10/+30 seconds per day, which is not ideal for precision enthusiasts. The five-link bracelet's lack of fitted end-links and the optional bracelet's chunkiness are flagged as areas lacking refinement. Overall, reviewers highlight the Sternglas Naos Pro Automatik's improved wearability and premium feel at its price point.

From video reviewers

The Bauhaus design is a strength. The value proposition is a weakness.

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