Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Seiko Presage Classic Series?

At MSRP the Gruppo Gamma Vanguard Steel Date is the cheaper of the two at $790, against $950 for the Seiko Presage Classic Series — a $160 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Steel Date or the Seiko Presage Classic Series?

The Gruppo Gamma Vanguard Steel Date wears larger at 42mm versus 36mm for the Seiko Presage Classic Series — a 6mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Steel Date or the Seiko Presage Classic Series?

The Gruppo Gamma Vanguard Steel Date is rated to 100m versus 10m for the Seiko Presage Classic Series.

Which has a longer power reserve, the Gruppo Gamma Vanguard Steel Date or the Seiko Presage Classic Series?

The Seiko Presage Classic Series carries a 72-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 Seiko Presage Classic Series?

Both watches run automatic movements — the Gruppo Gamma Vanguard Steel Date uses the Miyota 9015 and the Seiko Presage Classic Series uses the 6R51.

Side by side

Gruppo Gamma Vanguard Steel DatevsSeiko Presage Classic Series

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

Seiko Presage Classic Series

spb521j1

MSRP $950

At a glance

14 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Presage Classic Series36mm

Power Reserve

Vanguard Steel Date42h

Presage Classic Series72h

Water Resistance

Vanguard Steel Date100m

Presage Classic Series100m

MSRP

Vanguard Steel Date$790

Presage Classic Series$950

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

Forged Carbon

Black

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Miyota 9015

6R51

Power Reserve

42h

72h

Jewels

Complications

Date

None

Pricing

1 specs

MSRP

$790

$950

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