Side by side

Hamilton Khaki Aviation Air Race AutovsSeiko Prospex Land Mechanical 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 Air Race Auto

Owners widely praise the Hamilton Khaki Aviation Air Race Auto for its legibility and practicality, with some appreciating its countdown bezel and GMT pointer. However, opinions on its design are split, with some calling it a "Frankenstein" and disliking the skeleton hands, while others find the hands suitable for a pilot watch. One owner notes the lume is underwhelming and the 44mm size may be too large for some wrists. The original strap is also described as uncomfortable and prone to water stains. On balance, owners value the Hamilton Khaki Aviation Air Race Auto for its legibility and practical features, despite a polarizing design and some comfort concerns.

Seiko Prospex Land Mechanical GMT

Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of a classic design, comfortable bracelet, and attractive gray dial with a bubbly crystal. Reviewers highlight its handsome everyday sports watch appeal, solid specifications, and classic Seiko diver aesthetics, offering great value. However, community members are divided on the 6R movement's accuracy, with some reporting significant deviations even after regulation, while others find it competitive for the price. A point of contention is the GMT function, with some wishing for a "flyer" style local jump GMT instead of the "caller" type, and the internal compass bezel is described as finicky and difficult to read. Owners generally consider the Seiko Prospex Land Mechanical GMT overpriced at its retail price, suggesting better value is found on sale or closer to $700.

At a glance

14 of 29 specs differ
Diameter
Khaki Aviation Air Race Auto38mm
Prospex Land Mechanical GMT39.5mm
Power Reserve
Khaki Aviation Air Race Auto80h
Prospex Land Mechanical GMT72h
Water Resistance
Khaki Aviation Air Race Auto50m
Prospex Land Mechanical GMT200m
MSRP
Khaki Aviation Air Race Auto$845
Prospex Land Mechanical GMT$1,150

Full specifications

Case

6 specs
Category
Pilot
GMT
Diameter
38mm
39.5mm
Thickness
10.8mm
13.6mm
Lug-to-Lug
0mm
46.4mm
Lug Width
19mm
20mm
Water Resistance
50m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-10
6R54
Power Reserve
80h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$845
$1,150
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