Side by side

Hamilton American Classic Intra-Matic AutovsGruppo Gamma Field III GMT

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

American Classic Intra-Matic Auto
HamiltonAmerican Classic Intra-Matic Auto
MSRP $1,275
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

12 of 29 specs differ
Diameter
American Classic Intra-Matic Auto40mm
Field III GMT40mm
Power Reserve
American Classic Intra-Matic Auto80h
Field III GMT41h
Water Resistance
American Classic Intra-Matic Auto50m
Field III GMT200m
MSRP
American Classic Intra-Matic Auto$1,275
Field III GMT$459

Full specifications

Case

5 specs
Category
Dress
GMT
Thickness
10.95mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
H-10
Seiko Instruments NH38A
Power Reserve
80h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$1,275
$459

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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 Intra-Matic Auto

Owners widely praise the Hamilton American Classic Intra-Matic Auto for its thinness, perfect size, and vintage charm, with some preferring its contrasting tachymeter and larger subdials. One owner notes the rotor can be quite loud. The Hamilton American Classic Intra-Matic Auto is considered by some to be the best watch with a 2892 movement for the price. Overall, owners rate the Hamilton American Classic Intra-Matic Auto highly for its vintage charm and wearability at the 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.

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