Which is cheaper, the Gruppo Gamma Vanguard Weathered Date or the Hamilton American Classic Valiant Auto?

At MSRP the Hamilton American Classic Valiant Auto is the cheaper of the two at $645, against $790 for the Gruppo Gamma Vanguard Weathered Date — a $145 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Weathered Date or the Hamilton American Classic Valiant Auto?

The Gruppo Gamma Vanguard Weathered Date wears larger at 42mm versus 34mm for the Hamilton American Classic Valiant Auto — a 8mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Weathered Date or the Hamilton American Classic Valiant Auto?

The Gruppo Gamma Vanguard Weathered Date is rated to 100m versus 50m for the Hamilton American Classic Valiant Auto.

Which has a longer power reserve, the Gruppo Gamma Vanguard Weathered Date or the Hamilton American Classic Valiant Auto?

The Hamilton American Classic Valiant Auto carries a 80-hour power reserve against 42 hours on the Gruppo Gamma Vanguard Weathered Date.

What movement does the Gruppo Gamma Vanguard Weathered Date run compared to the Hamilton American Classic Valiant Auto?

Both watches run automatic movements — the Gruppo Gamma Vanguard Weathered Date uses the Miyota 9015 and the Hamilton American Classic Valiant Auto uses the H-10.

Side by side

Gruppo Gamma Vanguard Weathered DatevsHamilton American Classic Valiant Auto

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

Gruppo Gamma Vanguard Weathered Date

av-11

MSRP $790

Hamilton American Classic Valiant Auto

h39415754

MSRP $645

At a glance

14 of 29 specs differ

Diameter

Vanguard Weathered Date42mm

American Classic Valiant Auto34mm

Power Reserve

Vanguard Weathered Date42h

American Classic Valiant Auto80h

Water Resistance

Vanguard Weathered Date100m

American Classic Valiant Auto50m

MSRP

Vanguard Weathered Date$790

American Classic Valiant Auto$645

Full specifications

Case

7 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-10

Power Reserve

42h

80h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$645

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