Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsGruppo Gamma Field III GMT Date

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

Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Field III GMT Date40mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Field III GMT Date41h
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
Field III GMT Date200m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
Field III GMT Date$459

Full specifications

Case

5 specs
Category
Chronograph
GMT
Diameter
41mm
40mm
Thickness
16mm
14mm
Lug-to-Lug
46mm
48.5mm
Water Resistance
100m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
H-31
Seiko Instruments NH38A
Power Reserve
60h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,995
$459

Follow this matchup

Get a note when Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono vs Gruppo Gamma Field III GMT Date gets more votes, a community discussion, or a price drop. No account needed.

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 Aviation Khaki Pilot Pioneer Auto Chrono

Owners widely praise the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono for its excellent dial legibility and unique, vintage-inspired design, with some noting its thinness and 72-hour power reserve. Reviewers highlight its charismatic, function-forward military aesthetic and attractive dial execution. The watch is considered a wise starting point for a chronograph under $2,000, with observed accuracy around +/- 4 seconds per day and a 60-hour power reserve. Some owners find the non-screw-down crown limits water confidence, and one reviewer notes the mineral crystal scratches more easily than sapphire. The price is considered a bit punchy by one source. On balance, owners and reviewers rate the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono highly for its handsome, utilitarian design and value.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.