Which is cheaper, the Gruppo Gamma Vanguard Weathered Date or the Spinnaker Dumas Automatic?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $790 for the Gruppo Gamma Vanguard Weathered Date — a $551 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Weathered Date or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic wears larger at 44mm versus 42mm for the Gruppo Gamma Vanguard Weathered Date — a 2mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Weathered Date or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic is rated to 300m versus 100m for the Gruppo Gamma Vanguard Weathered Date.

Which has a longer power reserve, the Gruppo Gamma Vanguard Weathered Date or the Spinnaker Dumas Automatic?

The Gruppo Gamma Vanguard Weathered Date carries a 42-hour power reserve against 40 hours on the Spinnaker Dumas Automatic.

What movement does the Gruppo Gamma Vanguard Weathered Date run compared to the Spinnaker Dumas Automatic?

Both watches run automatic movements — the Gruppo Gamma Vanguard Weathered Date uses the Miyota 9015 and the Spinnaker Dumas Automatic uses the SII NH35A.

Side by side

Gruppo Gamma Vanguard Weathered DatevsSpinnaker Dumas Automatic

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

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

At a glance

14 of 29 specs differ

Diameter

Vanguard Weathered Date42mm

Dumas Automatic44mm

Power Reserve

Vanguard Weathered Date42h

Dumas Automatic40h

Water Resistance

Vanguard Weathered Date100m

Dumas Automatic300m

MSRP

Vanguard Weathered Date$790

Dumas Automatic$239

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Blue

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9015

SII NH35A

Power Reserve

42h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$239

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