Side by side

Hamilton Khaki Aviation X-Wind Day Date AutovsOak & Oscar The Humboldt GMT USSS Edition

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

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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 X-Wind Day Date Auto

Owners widely praise the Hamilton Khaki Aviation X-Wind Day Date Auto for its value, technical aesthetic, and versatile wearability with straps. Reviewers and owners alike highlight its excellent legibility, bold Arabic numerals, and the appeal of its pilot watch design, with many appreciating the 80-hour power reserve. Some owners find the crosswind calculation functions unnecessary, and there are mixed views on the dial's font usage and color matching. Lume is frequently noted as weak, and some find the size large or the left-handed crown and pusher setup uncomfortable. Accuracy figures range from gaining 6 seconds in a few days to approximately -6 seconds per day. Overall, owners rate the Hamilton Khaki Aviation X-Wind Day Date Auto highly for its impressive value and functional pilot watch design.

From video reviewers

The H-21 movement's 60-hour power reserve is a notable strength. The large 44mm case size was mentioned as a potential drawback.

Oak & Oscar The Humboldt GMT USSS Edition

Oak & Oscar The Humboldt GMT USSS Edition is lauded for its big-brand level finishing, craftsmanship, and unique design elements like the sandwich lume dial and instant recognizability, with owners appreciating its anti-magnetic properties due to a Faraday cage. The Sellita SW330-2 automatic movement powers the practical GMT complication. One owner notes the bracelet's half-link adjustment creates an odd angle, and lume could be brighter. Overall, owners and reviewers rate Oak & Oscar The Humboldt GMT USSS Edition highly for its impressive finishing and anti-magnetic capabilities at its price point.

At a glance

15 of 29 specs differ
Diameter
Khaki Aviation X-Wind Day Date Auto45mm
The Humboldt GMT USSS Edition39.5mm
Power Reserve
Khaki Aviation X-Wind Day Date Auto80h
The Humboldt GMT USSS Edition56 hoursh
Water Resistance
Khaki Aviation X-Wind Day Date Auto100m
The Humboldt GMT USSS Edition200m
MSRP
Khaki Aviation X-Wind Day Date Auto$1,375
The Humboldt GMT USSS Edition$2,200

Full specifications

Case

8 specs
Category
Pilot
GMT
Diameter
45mm
39.5mm
Thickness
12.8mm
12.5mm
Lug-to-Lug
54mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m
Caseback
Engraved

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Dial Color
Green
Lume
None
Super-LumiNova BGW9

Movement

3 specs
Caliber
Hamilton H-30
Sellita SW330-2
Power Reserve
80h
56 hoursh
Jewels
0
25

Pricing

1 specs
MSRP
$1,375
$2,200
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