Gravithin Argomatic - AM01vsHamilton American Classic Day Date 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.

Gravithin Argomatic - AM01 at true scale

Argomatic - AM01

Hamilton American Classic Day Date Auto at true scale

American Classic Day Date Auto

Diameter

42mm

42mm

Thickness

10.7mm

lowest

11.6mm

Water Resistance

50m

50m

Power Reserve

42h

80h

highest

MSRP

$463

lowest

$1,245

Movement

Miyota 9015

Hamilton H-30

Case

2 specs
Thickness
10.7mm
11.55mm
Lug Width
n/a
22mm

Crystal & Dial

2 specs
Dial Color
n/a
Grey
Lume
Super-LumiNova BGW9®
None

Movement

2 specs
Caliber
Miyota 9015
Hamilton H-30
Power Reserve
42h
80h

Pricing

1 specs
MSRP
$463
$1,245
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Reviews

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

Gravithin Argomatic - AM01

Owners praise the Gravithin ARGOMATIC - AM01 for its refreshing, clean, and unique design, with particular admiration for the mesmerizing sandwich dial and brilliant execution of BGW9 Super-LumiNova lume. The watch is considered good value, featuring a unique case and meteorite dial. Some owners would have preferred a case size below 40mm, though the brand chose 42mm for case shape reasons. A reviewer regretted the choice of a see-through caseback over an engraved one that would better suit the thematic inspiration. Overall, owners rate the Gravithin ARGOMATIC - AM01 highly for its distinctive dial and lume execution at the price.

Hamilton American Classic Day Date Auto

Owners widely praise the Hamilton American Classic Day Date Auto for its clear, legible dial with hands extending to markers and a well-integrated day-date complication that snaps into place quickly. The 42mm case is noted to wear smaller than its dimensions suggest, and one owner highlights its versatility as a GADA watch that dresses up well and is a "strap monster" with a good supplied band. Accuracy averages around +3 seconds per day, and the lume is described as decent, lasting about 30 minutes. However, reviewers and owners criticize the lume for poor intensity and longevity, and one owner notes the mirror-polished bezel is a scratch magnet while the stock leather strap is stiff. On balance, owners and reviewers rate the Hamilton American Classic Day Date Auto highly for its legible dial and well-executed day-date complication at its price point.