Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical BronzevsSpinnaker Dumas GMT

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Bronze43mm
Dumas GMT44mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Bronze50h
Dumas GMT40h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Bronze100m
Dumas GMT300m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Bronze$1,795
Dumas GMT$399

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
43mm
44mm
Thickness
13mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
White
Blue

Movement

3 specs
Caliber
ETA 6498-1
Seiko NH34A
Type
Manual
Automatic
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$1,795
$399

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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 Aviation Pilot Pioneer Mechanical Bronze

Owners and reviewers praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Bronze for its romantic aviation appeal, authentic pilot design, and light, versatile case. The dial texture is noted as superior to stock photos, and the tan lume harmonizes with the bronze case. Accuracy is reported as excellent, with one owner seeing +1-2s/day. The joy of winding the oversized crown is a recurring positive, though some find it rough initially. The watch is considered good value by some, offering hand-wind and small seconds with heritage, though others feel it shares technology with more affordable models. Concerns are raised about the mineral crystal scratching more easily than sapphire, with one instance of breakage. The bezel's detents are described as unremarkable, and the stock strap has a paper-like feel. Some owners report a 48-click bezel, while others have a 60-click version.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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