Hamilton American Classic Intra-Matic AutovsSternglas Hamburg

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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 Hamburg at true scale

Hamburg

Diameter

40mm

42mm

Lug-to-Lug

n/a

45mm

Thickness

10.9mm

6mm

lowest

Water Resistance

50m

50m

Power Reserve

80h

n/a

MSRP

$1,275

$323

lowest

Movement

Hamilton H-10

Ronda 715

Case

3 specs
Diameter
40mm
42mm
Thickness
10.95mm
6mm
Lug-to-Lug
n/a
45mm

Crystal & Dial

2 specs
Dial Color
White
n/a
Lume
None
Luminova

Movement

4 specs
Caliber
Hamilton H-10
Ronda 715
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 Hamburg

Owners widely praise the Sternglas Hamburg for its excellent value and Bauhaus-inspired design, with many noting its good build quality and attractive case finishing for the price. Some owners find the uncluttered dial easy to read, while others appreciate its unique, non-emulative design. However, the manual is minimal, and the date window recess is deep, making the date difficult to see from an angle. One owner noted the dial color appeared satin silver in person, not white as depicted online. On balance, owners rate the Sternglas Hamburg highly for its Bauhaus design and value.

From video reviewers

The Sternglas Hamburg's Bauhaus dial design is praised for its effective minimalism. The Miyota 8215 movement is noted as reliable but lacks hacking and hand-winding capabilities. Reviewers disagree on whether the 42mm case diameter and 45mm lug-to-lug wear well on the wrist.