Side by side

Bremont ionBirdvsHamilton Khaki Aviation X-Wind Day Date Auto

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

ionBird
BremontionBird
MSRP $5,800
Khaki Aviation X-Wind Day Date Auto
HamiltonKhaki Aviation X-Wind Day Date Auto
MSRP $1,375

At a glance

10 of 29 specs differ
Diameter
ionBird43mm
Khaki Aviation X-Wind Day Date Auto45mm
Power Reserve
ionBird40h
Khaki Aviation X-Wind Day Date Auto80h
Water Resistance
ionBird
Khaki Aviation X-Wind Day Date Auto100m
MSRP
ionBird$5,800
Khaki Aviation X-Wind Day Date Auto$1,375

Full specifications

Case

6 specs
Diameter
43mm
45mm
Thickness
12.8mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Green

Movement

2 specs
Caliber
H-30
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$5,800
$1,375

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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.

Bremont ionBird

Owners report the Bremont ionBird is overpriced and features a printed dial with a poorly placed date window at 4:30, which some find visually disruptive. However, some owners suggest its case finishing is superior to competitors. The 43mm titanium Bremont ionBird GMT is powered by a COSC-certified BE-93-2AV automatic movement and retails for $5,795. On balance, owners and reviewers find the Bremont ionBird's date window placement and price point to be significant drawbacks.

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.

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