Side by side

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

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

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

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

From video reviewers

The Humboldt GMT's sandwich dial and true GMT complication deliver practical traveler functionality in a 40mm brushed stainless steel case with 20ATM water resistance. Swiss-made movement construction with anti-shock and anti-magnetic properties meets tight manufacturing tolerances and rigorous testing standards. Positioning against sub-$2,000 GMT competitors raises questions about value proposition relative to alternatives in this price tier.

At a glance

19 of 29 specs differ
Diameter
Khaki Aviation X-Wind Day Date Auto45mm
The Humboldt GMT39.5mm
Power Reserve
Khaki Aviation X-Wind Day Date Auto80h
The Humboldt GMT56 hoursh
Water Resistance
Khaki Aviation X-Wind Day Date Auto100m
The Humboldt GMT200m
MSRP
Khaki Aviation X-Wind Day Date Auto$1,375
The Humboldt GMT$2,175

Full specifications

Case

9 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
Finish
Brushed
Water Resistance
100m
200m
Caseback
Solid screw-down

Crystal & Dial

5 specs
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Green
White
Indices
Applied
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
H-30
Sellita SW330-2
Beat Rate
0 vph
4 vph
Power Reserve
80h
56 hoursh
Jewels
0
25

Pricing

1 specs
MSRP
$1,375
$2,175
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