Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Hamilton Khaki Navy GMT Auto?

At MSRP the Gruppo Gamma Vanguard Steel Date is the cheaper of the two at $790, against $1,525 for the Hamilton Khaki Navy GMT Auto — a $735 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Steel Date or the Hamilton Khaki Navy GMT Auto?

The Hamilton Khaki Navy GMT Auto wears larger at 43mm versus 42mm for the Gruppo Gamma Vanguard Steel Date — a 1mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Steel Date or the Hamilton Khaki Navy GMT Auto?

The Hamilton Khaki Navy GMT Auto is rated to 300m versus 100m for the Gruppo Gamma Vanguard Steel Date.

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

The Hamilton Khaki Navy GMT 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 Navy GMT Auto?

Both watches run automatic movements — the Gruppo Gamma Vanguard Steel Date uses the Miyota 9015 and the Hamilton Khaki Navy GMT Auto uses the H-14.

Side by side

Gruppo Gamma Vanguard Steel DatevsHamilton Khaki Navy GMT 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 Navy GMT Auto

h82555150

MSRP $1,525

At a glance

12 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Khaki Navy GMT Auto43mm

Power Reserve

Vanguard Steel Date42h

Khaki Navy GMT Auto80h

Water Resistance

Vanguard Steel Date100m

Khaki Navy GMT Auto300m

MSRP

Vanguard Steel Date$790

Khaki Navy GMT Auto$1,525

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Silver

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9015

H-14

Power Reserve

42h

80h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$1,525

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