Side by side

Hamilton Khaki Field Mechanical BronzevsGruppo Gamma Field III GMT Date

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

Khaki Field Mechanical Bronze
HamiltonKhaki Field Mechanical Bronze
MSRP $1,025
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

15 of 29 specs differ
Diameter
Khaki Field Mechanical Bronze38mm
Field III GMT Date40mm
Power Reserve
Khaki Field Mechanical Bronze80h
Field III GMT Date41h
Water Resistance
Khaki Field Mechanical Bronze50m
Field III GMT Date200m
MSRP
Khaki Field Mechanical Bronze$1,025
Field III GMT Date$459

Full specifications

Case

7 specs
Category
Field
GMT
Diameter
38mm
40mm
Thickness
9.6mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

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

Movement

4 specs
Caliber
H-50
Seiko Instruments NH38A
Type
Manual
Automatic
Power Reserve
80h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,025
$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 Khaki Field Mechanical Bronze

Owners and reviewers widely praise the Hamilton Khaki Field Mechanical Bronze for its attractive bronze case that develops a unique patina, its comfortable 38mm size, and the satisfying winding action of its hand-wound H-50 movement, which provides an 80-hour power reserve. The vintage military design, legible matte black dial with beige lume, and overall value are frequently highlighted as key strengths. Some owners note the lugs appear large, and while earlier models had 50m water resistance, newer versions offer 100m. Overall, owners and reviewers rate the Hamilton Khaki Field Mechanical Bronze highly for its vintage aesthetic and character-building patina at an accessible price.

From video reviewers

The watch's bronze case develops a unique patina over time, adding to its character. A potential weakness is the watch's bronze reacting with certain skin types or environments, causing discoloration or staining. Reviewers disagree on the lume brightness, with one reviewer finding it lacking and the other not mentioning it.

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.

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