Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsSpinnaker 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

10 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Dumas GMT44mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Dumas GMT40h
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
Dumas GMT300m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
Dumas GMT$399

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
41mm
44mm
Thickness
16mm
15mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Beige
Blue

Movement

2 specs
Caliber
H-31
Seiko NH34A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$1,995
$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 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.

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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