Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Hamilton Khaki Aviation Day Date Auto?

At MSRP the Gruppo Gamma Vanguard Steel Date is the cheaper of the two at $790, against $1,125 for the Hamilton Khaki Aviation Day Date Auto — a $335 gap before any retailer discounting.

Which has a longer power reserve, the Gruppo Gamma Vanguard Steel Date or the Hamilton Khaki Aviation Day Date Auto?

The Hamilton Khaki Aviation Day Date Auto carries a 80-hour power reserve against 42 hours on the Gruppo Gamma Vanguard Steel Date.

What movement does the Gruppo Gamma Vanguard Steel Date run compared to the Hamilton Khaki Aviation Day Date Auto?

Both watches run automatic movements — the Gruppo Gamma Vanguard Steel Date uses the Miyota 9015 and the Hamilton Khaki Aviation Day Date Auto uses the H-40.

Side by side

Gruppo Gamma Vanguard Steel DatevsHamilton Khaki Aviation Day Date Auto

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

Gruppo Gamma Vanguard Steel Date

ag-11

MSRP $790

Hamilton Khaki Aviation Day Date Auto

h64645131

MSRP $1,125

At a glance

11 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Khaki Aviation Day Date Auto42mm

Power Reserve

Vanguard Steel Date42h

Khaki Aviation Day Date Auto80h

Water Resistance

Vanguard Steel Date100m

Khaki Aviation Day Date Auto100m

MSRP

Vanguard Steel Date$790

Khaki Aviation Day Date Auto$1,125

Full specifications

Case

4 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9015

H-40

Power Reserve

42h

80h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$1,125

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