Which is cheaper, the Hamilton Khaki Aviation Air Race Auto or the Boldr Marine?

At MSRP the Boldr Marine is the cheaper of the two at $439, against $845 for the Hamilton Khaki Aviation Air Race Auto — a $406 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Air Race Auto or the Boldr Marine?

The Boldr Marine 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 Boldr Marine?

The Boldr Marine is rated to 200m versus 50m for the Hamilton Khaki Aviation Air Race Auto.

Which has a longer power reserve, the Hamilton Khaki Aviation Air Race Auto or the Boldr Marine?

The Hamilton Khaki Aviation Air Race Auto carries a 80-hour power reserve against 40 hours on the Boldr Marine.

What movement does the Hamilton Khaki Aviation Air Race Auto run compared to the Boldr Marine?

Both watches run automatic movements — the Hamilton Khaki Aviation Air Race Auto uses the H-10 and the Boldr Marine uses the NH35A.

Side by side

Hamilton Khaki Aviation Air Race AutovsBoldr Marine

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

Boldr Marine

marine-elewana

MSRP $439

At a glance

11 of 29 specs differ

Diameter

Khaki Aviation Air Race Auto38mm

Marine40mm

Power Reserve

Khaki Aviation Air Race Auto80h

Marine40h

Water Resistance

Khaki Aviation Air Race Auto50m

Marine200m

MSRP

Khaki Aviation Air Race Auto$845

Marine$439

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Black

Defender Elewana

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

H-10

NH35A

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$845

$439

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Hamilton Khaki Aviation Air Race AutovsBoldr Marine

At a glance

Full specifications

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