Side by side

Hamilton Khaki Aviation Pilot PioneervsSpinnaker Dumas GMT

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

Khaki Aviation Pilot Pioneer
HamiltonKhaki Aviation Pilot Pioneer
MSRP $1,095
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

11 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer38mm
Dumas GMT44mm
Power Reserve
Khaki Aviation Pilot Pioneer80h
Dumas GMT40h
Water Resistance
Khaki Aviation Pilot Pioneer100m
Dumas GMT300m
MSRP
Khaki Aviation Pilot Pioneer$1,095
Dumas GMT$399

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
38mm
44mm
Thickness
11.4mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
18mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
H-10
Seiko NH34A
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,095
$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

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer for its authentic pilot design, legible cathedral hands, and textured matte black dial, with the 36mm and 38mm case sizes noted as wearing well. The applied numerals with generous Super Luminova are a highlight, and one owner found the double AR-coated mineral crystal surprisingly scratch-free. However, the lume is not very bright or long-lasting, and the mechanical version requires about 60 crown turns to fully wind. Some owners find the rotating bezel's detents unremarkable, and the mineral crystal can scratch more easily than sapphire, though this is considered a minor drawback given the price. On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer highly for its vintage appeal and quality build at the price point.

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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