Hamilton American Classic Intra-Matic AutovsSternglas Naos

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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.

Hamilton American Classic Intra-Matic Auto at true scale

American Classic Intra-Matic Auto

Sternglas Naos at true scale

Naos

Diameter

40mm

38mm

Lug-to-Lug

n/a

41mm

Thickness

10.9mm

7.2mm

lowest

Water Resistance

50m

50m

Power Reserve

80h

n/a

MSRP

$1,275

$323

lowest

Movement

Hamilton H-10

Ronda 714

Case

3 specs
Diameter
40mm
38mm
Thickness
10.95mm
7.2mm
Lug-to-Lug
n/a
41mm

Crystal & Dial

1 specs
Dial Color
White
n/a

Movement

4 specs
Caliber
Hamilton H-10
Ronda 714
Type
Automatic
Quartz
Power Reserve
80h
n/a
Jewels
0
n/a

Pricing

1 specs
MSRP
$1,275
$323
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Reviews

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

Hamilton American Classic Intra-Matic Auto

Owners widely praise the Hamilton American Classic Intra-Matic Auto for its vintage charm, thinness, and perfect 40mm size, with some preferring its tachymeter and subdials over other configurations. One owner notes the rotor can be loud. On balance, owners rate the Hamilton American Classic Intra-Matic Auto highly for its vintage aesthetic and wearability at the price point.

From video reviewers

The vintage-inspired design with classic panda dial and dual-register chronograph layout captures authentic racing watch aesthetics from the mid-century era. The automatic chronograph movement delivers reliable timekeeping in a package that honors Hamilton's heritage without modern complications.

Sternglas Naos

The Sternglas Naos is widely praised for its durable construction, featuring a scratch-resistant sapphire crystal and a flawless date mechanism. Owners appreciate its refined aesthetic, which allows it to be easily dressed up or down for daily wear, and its comfortable bracelet that drapes well. The Bauhaus design is noted as harmonious, and the quartz movement offers good accuracy. One owner advises replacing the original tan strap due to durability concerns. Overall, owners rate the Sternglas Naos highly for its refined design and durability at its price point.

From video reviewers

The Sternglas Naos is praised for its Bauhaus design and build quality. Reviewers noted that the watch offers good value as a budget alternative to more expensive Bauhaus models.