Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Spinnaker Bradner Pearl Diver?

At MSRP the Spinnaker Bradner Pearl Diver is the cheaper of the two at $370, against $790 for the Gruppo Gamma Vanguard Steel Date — a $420 gap before any retailer discounting.

Which has better water resistance, the Gruppo Gamma Vanguard Steel Date or the Spinnaker Bradner Pearl Diver?

The Spinnaker Bradner Pearl Diver is rated to 180m versus 100m for the Gruppo Gamma Vanguard Steel Date.

Which has a longer power reserve, the Gruppo Gamma Vanguard Steel Date or the Spinnaker Bradner Pearl Diver?

The Gruppo Gamma Vanguard Steel Date carries a 42-hour power reserve against 40 hours on the Spinnaker Bradner Pearl Diver.

What movement does the Gruppo Gamma Vanguard Steel Date run compared to the Spinnaker Bradner Pearl Diver?

Both watches run automatic movements — the Gruppo Gamma Vanguard Steel Date uses the Miyota 9015 and the Spinnaker Bradner Pearl Diver uses the SII NH35A.

Side by side

Gruppo Gamma Vanguard Steel DatevsSpinnaker Bradner Pearl Diver

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

Spinnaker Bradner Pearl Diver

bradner-pearl-diver-automatic-limited-edition-emerald-tide-sp-5158-11

MSRP $370

At a glance

12 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Bradner Pearl Diver42mm

Power Reserve

Vanguard Steel Date42h

Bradner Pearl Diver40h

Water Resistance

Vanguard Steel Date100m

Bradner Pearl Diver180m

MSRP

Vanguard Steel Date$790

Bradner Pearl Diver$370

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Emerald

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9015

SII NH35A

Power Reserve

42h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$370

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