Hamilton American Classic Intra-Matic AutovsJack Mason Ellum Manual Wind

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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

Jack Mason Ellum Manual Wind at true scale

Ellum Manual Wind

Diameter

40mm

38mm

Lug-to-Lug

n/a

45mm

Thickness

10.9mm

9mm

lowest

Water Resistance

50m

50m

Power Reserve

80h

highest

42h

MSRP

$1,275

$799

lowest

Movement

Hamilton H-10

Sellita SW210-1

Case

3 specs
Diameter
40mm
38mm
Thickness
10.95mm
9mm
Lug-to-Lug
n/a
45mm

Crystal & Dial

1 specs
Dial Color
White
n/a

Movement

3 specs
Caliber
Hamilton H-10
Sellita SW210-1
Type
Automatic
Manual
Power Reserve
80h
42h

Pricing

1 specs
MSRP
$1,275
$799
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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.

Jack Mason Ellum Manual Wind

The Jack Mason Ellum Manual Wind is widely praised for its elegant, contemporary dress watch design, featuring a unique linen-textured dial and slim 38mm case. Owners and reviewers consistently highlight the dial's beauty and the watch's refined aesthetic, with some noting its mid-century inspiration. The Sellita SW210-1 manual-wind movement is regulated to ±5 seconds per day, and the watch is available for $799 to $949. Some owners find the date window detracts from the dial's design, and one reviewer notes the red, white, and blue seconds hand as a potentially distracting accent. On balance, owners and reviewers rate the Jack Mason Ellum Manual Wind highly for its beautiful dial and slim case at the price.