Side by side

Hamilton Khaki Aviation X-Wind Day Date AutovsBoldr Odyssey 40mm

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.

Boldr Odyssey 40mm

Owners praise Boldr for impressive specifications and value, with one owner noting the Odyssey Black Dragonfish has superior specs and movement compared to other models. A separate owner finds the Venture to be an exceptional value and versatile with strap changes. However, one owner feels the Venture's size is borderline for an 8-inch wrist. Overall, owners rate Boldr highly for its value and specifications.

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation X-Wind Day Date Auto45mm
Odyssey 40mm40mm
Power Reserve
Khaki Aviation X-Wind Day Date Auto80h
Odyssey 40mm42h
Water Resistance
Khaki Aviation X-Wind Day Date Auto100m
Odyssey 40mm300m
MSRP
Khaki Aviation X-Wind Day Date Auto$1,375
Odyssey 40mm$799

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
45mm
40mm
Thickness
12.8mm
12.5mm
Lug-to-Lug
54mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Dial Color
Green
Aurora
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H-30
Power Reserve
80h
42h

Pricing

1 specs
MSRP
$1,375
$799
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