Side by side

Hamilton Khaki Aviation X-Wind Day Date AutovsSeiko Alpinist

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.

Seiko Alpinist

Owners widely praise the Seiko Prospex Land Mechanical for its durability, accuracy, and value, with many appreciating its versatile style and useful day-date complication. Some owners highlight the 70-hour power reserve and 20 bar water resistance as significant benefits. However, opinions are divided on its size and thickness, with some finding it too large and heavy for a field watch, while others consider it a perfect or comfortable fit, especially at 38mm. There is also disagreement regarding the crystal type, with some criticizing the Hardlex while others appreciate the sapphire. Overall, owners rate the Seiko Prospex Land Mechanical highly for its robust performance and good value, despite differing views on its dimensions.

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation X-Wind Day Date Auto45mm
Alpinist39.5mm
Power Reserve
Khaki Aviation X-Wind Day Date Auto80h
Alpinist70h
Water Resistance
Khaki Aviation X-Wind Day Date Auto100m
Alpinist200m
MSRP
Khaki Aviation X-Wind Day Date Auto$1,375
Alpinist$750

Full specifications

Case

6 specs
Category
Pilot
Field
Diameter
45mm
39.5mm
Thickness
12.8mm
13.2mm
Lug-to-Lug
54mm
46.4mm
Lug Width
22mm
20mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Green
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-30
Seiko 6R35
Power Reserve
80h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$1,375
$750
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