Side by side

Hamilton Khaki Aviation Air Race AutovsVario 1918 Trench Brass

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

Khaki Aviation Air Race Auto
HamiltonKhaki Aviation Air Race Auto
MSRP $845
1918 Trench Brass
Vario1918 Trench Brass
MSRP $388

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Air Race Auto38mm
1918 Trench Brass40mm
Power Reserve
Khaki Aviation Air Race Auto80h
1918 Trench Brass40h
Water Resistance
Khaki Aviation Air Race Auto50m
1918 Trench Brass100m
MSRP
Khaki Aviation Air Race Auto$845
1918 Trench Brass$388

Full specifications

Case

7 specs
Category
Pilot
Field
Diameter
38mm
40mm
Thickness
10.8mm
10mm
Lug-to-Lug
46mm
45mm
Lug Width
19mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
White

Movement

2 specs
Caliber
H-10
Miyota 82s5
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$845
$388

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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.

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.

Vario 1918 Trench Brass

Owners widely praise the Vario 1918 Trench Brass for its attractive, precisely made dial and case, with the evolving brass patina noted as a positive feature. The bund strap is considered comfortable and well-fitting by some, though others find it stiff and short for larger wrists. The lume is considered poor. The Miyota 82s5 movement is described as adequate, with accuracy ranging from about -10 seconds per day to simply running slow. On balance, owners rate the Vario 1918 Trench Brass highly for its fantastic looks and the unique character of its brass case.

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