Side by side

Hamilton American Classic Valiant AutovsSternglas Naos Pro Automatik

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

American Classic Valiant Auto
HamiltonAmerican Classic Valiant Auto
MSRP $645
Naos Pro Automatik
SternglasNaos Pro Automatik
MSRP $755

At a glance

10 of 29 specs differ
Diameter
American Classic Valiant Auto34mm
Naos Pro Automatik38mm
Power Reserve
American Classic Valiant Auto80h
Naos Pro Automatik42h
Water Resistance
American Classic Valiant Auto50m
Naos Pro Automatik50m
MSRP
American Classic Valiant Auto$645
Naos Pro Automatik$755

Full specifications

Case

4 specs
Diameter
34mm
38mm
Thickness
10.58mm
9mm
Lug-to-Lug
46mm
42.4mm
Lug Width
16mm
20mm

Crystal & Dial

2 specs
Dial Color
Silver
Lume
None
Luminova Punkte

Movement

3 specs
Caliber
H-10
Miyota 9015
Power Reserve
80h
42h
Jewels
25

Pricing

1 specs
MSRP
$645
$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 American Classic Valiant Auto

Owners widely praise the Hamilton American Classic Valiant Auto for its classic design elements, such as the sunburst dial and Roman numerals, noting its suitability for everyday elegance and wearability under a cuff. One owner highlights the 39.5mm size and applied indices as a "hidden gem," while another appreciates the clean, simple design with thin Roman numerals. The watch is also commended for its comfortable bracelet and attractive lance hands, with confirmation that the bracelet is indeed changeable. Some owners note the date window's placement at three o'clock is a point of contention, and one owner reports the watch runs at approximately +6 seconds per day after ten years of intermittent use. On balance, owners rate the Hamilton American Classic Valiant Auto highly for its elegant, classic design and comfortable wearability at its price point.

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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