Side by side

Hamilton Khaki Aviation Pilot Day Date AutovsSpinnaker Dumas GMT

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

Khaki Aviation Pilot Day Date Auto
HamiltonKhaki Aviation Pilot Day Date Auto
MSRP $1,125
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

11 of 29 specs differ
Diameter
Khaki Aviation Pilot Day Date Auto42mm
Dumas GMT44mm
Power Reserve
Khaki Aviation Pilot Day Date Auto80h
Dumas GMT40h
Water Resistance
Khaki Aviation Pilot Day Date Auto100m
Dumas GMT300m
MSRP
Khaki Aviation Pilot Day Date Auto$1,125
Dumas GMT$399

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
42mm
44mm
Thickness
11.85mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

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

Pricing

1 specs
MSRP
$1,125
$399

Follow this matchup

Get a note when Hamilton Khaki Aviation Pilot Day Date Auto vs Spinnaker Dumas GMT 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 Pilot Day Date Auto

The Hamilton Khaki Aviation Pilot Day Date Auto features an 80-hour power reserve and hacking, with quick-set day and date functions. One owner noted aggressive rotor spin during hand-winding at certain angles, questioning if service was needed. A reviewer criticized the day display's proximity to the center pinion, suggesting a date-only function would have been preferable. Overall, owners and reviewers find the Hamilton Khaki Aviation Pilot Day Date Auto offers practical complications and a substantial power reserve, though the day display's execution is a point of contention.

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.

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.