Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Yema Navygraf Marine Nationale Quartz?

At MSRP the Yema Navygraf Marine Nationale Quartz is the cheaper of the two at $499, against $790 for the Gruppo Gamma Vanguard Steel Date — a $291 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Steel Date or the Yema Navygraf Marine Nationale Quartz?

The Gruppo Gamma Vanguard Steel Date wears larger at 42mm versus 39mm for the Yema Navygraf Marine Nationale Quartz — a 3mm difference across the dial.

Which has a longer power reserve, the Gruppo Gamma Vanguard Steel Date or the Yema Navygraf Marine Nationale Quartz?

The Gruppo Gamma Vanguard Steel Date carries a 42-hour power reserve against 40 hours on the Yema Navygraf Marine Nationale Quartz.

What movement does the Gruppo Gamma Vanguard Steel Date run compared to the Yema Navygraf Marine Nationale Quartz?

The Gruppo Gamma Vanguard Steel Date runs a automatic caliber (Miyota 9015), while the Yema Navygraf Marine Nationale Quartz runs a quartz.

Side by side

Gruppo Gamma Vanguard Steel DatevsYema Navygraf Marine Nationale Quartz

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

Yema Navygraf Marine Nationale Quartz

yema-navygraf-marine-nationale-quartz-ymhfmn39

MSRP $499

At a glance

14 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Navygraf Marine Nationale Quartz39mm

Power Reserve

Vanguard Steel Date42h

Navygraf Marine Nationale Quartz40h

Water Resistance

Vanguard Steel Date100m

Navygraf Marine Nationale Quartz100m

MSRP

Vanguard Steel Date$790

Navygraf Marine Nationale Quartz$499

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Standard

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Miyota 9015

—

Type

Automatic

Quartz

Power Reserve

42h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$499

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