Which is cheaper, the Hamilton Khaki Aviation Air Race Auto or the Straton Syncro MKII Mechanical Chrono?

At MSRP the Straton Syncro MKII Mechanical Chrono is the cheaper of the two at $599, against $845 for the Hamilton Khaki Aviation Air Race Auto — a $246 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Air Race Auto or the Straton Syncro MKII Mechanical Chrono?

The Straton Syncro MKII Mechanical Chrono wears larger at 40mm versus 38mm for the Hamilton Khaki Aviation Air Race Auto — a 2mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation Air Race Auto or the Straton Syncro MKII Mechanical Chrono?

The Straton Syncro MKII Mechanical Chrono is rated to 100m versus 50m for the Hamilton Khaki Aviation Air Race Auto.

What movement does the Hamilton Khaki Aviation Air Race Auto run compared to the Straton Syncro MKII Mechanical Chrono?

The Hamilton Khaki Aviation Air Race Auto runs a automatic caliber (H-10), while the Straton Syncro MKII Mechanical Chrono runs a manual (Seagull ST19).

Side by side

Hamilton Khaki Aviation Air Race AutovsStraton Straton Syncro MKII Mechanical Chrono

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

Hamilton Khaki Aviation Air Race Auto

h76235731

MSRP $845

Straton Straton Syncro MKII Mechanical Chrono

straton-syncro-mkii-mechanical-chrono

MSRP $599

At a glance

19 of 29 specs differ

Diameter

Khaki Aviation Air Race Auto38mm

Straton Syncro MKII Mechanical Chrono40mm

Power Reserve

Khaki Aviation Air Race Auto80h

Straton Syncro MKII Mechanical Chrono—

Water Resistance

Khaki Aviation Air Race Auto50m

Straton Syncro MKII Mechanical Chrono100m

MSRP

Khaki Aviation Air Race Auto$845

Straton Syncro MKII Mechanical Chrono$599

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Domed

AR Coating

Inner

Underside

Dial Color

Black

—

Indices

Applied

—

Movement

5 specs

Caliber

H-10

Seagull ST19

Type

Automatic

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

80h

Jewels

Pricing

1 specs

MSRP

$845

$599

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