Side by side

Hamilton American Classic Day Date AutovsGruppo Gamma Field III GMT Date

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

American Classic Day Date Auto
HamiltonAmerican Classic Day Date Auto
MSRP $1,245
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459
What people say

Owners + reviewers, side by side

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

Hamilton American Classic Day Date Auto

Owners widely praise the Hamilton American Classic Day Date Auto for its legible dial, well-integrated day-date complication, and vintage military aesthetic. The 40mm to 42mm case is noted to wear smaller than its dimensions suggest, and the complication is considered well-executed for its price point. However, the lume is criticized for poor intensity and longevity, and the mirror-polished bezel is flagged as a scratch magnet. The stock leather strap is also described as stiff. Overall, owners rate the Hamilton American Classic Day Date Auto highly for its attractive vintage styling and functional day-date complication at an accessible price.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

At a glance

12 of 29 specs differ
Diameter
American Classic Day Date Auto42mm
Field III GMT Date40mm
Power Reserve
American Classic Day Date Auto80h
Field III GMT Date41h
Water Resistance
American Classic Day Date Auto50m
Field III GMT Date200m
MSRP
American Classic Day Date Auto$1,245
Field III GMT Date$459

Full specifications

Case

5 specs
Category
Dress
GMT
Diameter
42mm
40mm
Thickness
11.55mm
14mm
Lug-to-Lug
46mm
48.5mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Grey
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
H-30
Seiko Instruments NH38A
Power Reserve
80h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,245
$459
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