Side by side

Hamilton American Classic Day Date AutovsGruppo Gamma Field III GMT

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
Gruppo GammaField III GMT
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

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

At a glance

12 of 29 specs differ
Diameter
American Classic Day Date Auto42mm
Field III GMT40mm
Power Reserve
American Classic Day Date Auto80h
Field III GMT41h
Water Resistance
American Classic Day Date Auto50m
Field III GMT200m
MSRP
American Classic Day Date Auto$1,245
Field III GMT$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

Pricing

1 specs
MSRP
$1,245
$459
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