Alcadus Watches Quantra GemstonevsHamilton American Classic RailRoad Auto

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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.

Alcadus Watches Quantra Gemstone at true scale

Quantra Gemstone

Hamilton American Classic RailRoad Auto at true scale

American Classic RailRoad Auto

Diameter

36mm

32mm

Lug-to-Lug

44mm

n/a

Thickness

10.5mm

lowest

11.3mm

Water Resistance

50m

50m

Power Reserve

42h

43h

highest

MSRP

$815

lowest

$1,295

Movement

Caliber 5100A

ETA 2681

Case

5 specs
Category
n/a
Dress
Diameter
36mm
32mm
Thickness
10.5mm
11.3mm
Lug-to-Lug
44mm
n/a
Lug Width
20mm
16mm

Crystal & Dial

2 specs
AR Coating
Yes
n/a
Dial Color
n/a
Beige

Movement

2 specs
Caliber
Caliber 5100A
ETA 2681
Power Reserve
42h
43h

Pricing

1 specs
MSRP
$815
$1,295
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Reviews

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

Alcadus Watches Quantra Gemstone

Owners widely praise the Alcadus Watches Quantra Gemstone for its 36mm size, sapphire crystal, and attractive micro-rotor movement. Reviewers highlight its refined, minimalist design with excellent case finishing, featuring sandblasted and polished surfaces, and a competitive $635 price point. Some owners appreciate the movement's decoration and regulation to +/-7 seconds per day, though hacking seconds are absent. The included straps are initially stiff, and the blued hands can appear black in certain lighting. Overall, owners and reviewers rate the Alcadus Watches Quantra Gemstone highly for its sophisticated design and micro-rotor movement at an accessible price.

Hamilton American Classic RailRoad Auto

Owners widely praise the Hamilton American Classic RailRoad Auto as a versatile everyday watch, noting its stellar appearance on bracelet or strap and the desirable H-10 movement providing an 80-hour power reserve. The 40mm case, measuring 11.35mm thick with slightly turned-down lugs, contributes to a thinner perceived profile. It is offered for $430 shipped and includes a travel pouch.

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