Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $790 for the Gruppo Gamma Vanguard Steel Date — a $541 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Steel Date or the Helgray Poseidon Diver (Automatic)?

The Gruppo Gamma Vanguard Steel Date wears larger at 42mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 2mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Steel Date or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) 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 Helgray Poseidon Diver (Automatic)?

The Gruppo Gamma Vanguard Steel Date carries a 42-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Gruppo Gamma Vanguard Steel Date run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Gruppo Gamma Vanguard Steel Date uses the Miyota 9015 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Gruppo Gamma Vanguard Steel DatevsHelgray Poseidon Diver (Automatic)

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

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

13 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Poseidon Diver (Automatic)40mm

Power Reserve

Vanguard Steel Date42h

Poseidon Diver (Automatic)40h

Water Resistance

Vanguard Steel Date100m

Poseidon Diver (Automatic)300m

MSRP

Vanguard Steel Date$790

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9015

NH35 Warranty

Power Reserve

42h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$249

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