Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Marathon Steel Navigator SSNAV Quartz?

At MSRP the Gruppo Gamma Vanguard Steel Date is the cheaper of the two at $790, against $1,000 for the Marathon Steel Navigator SSNAV Quartz — a $210 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Steel Date or the Marathon Steel Navigator SSNAV Quartz?

The Gruppo Gamma Vanguard Steel Date wears larger at 42mm versus 41mm for the Marathon Steel Navigator SSNAV Quartz — a 1mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Steel Date or the Marathon Steel Navigator SSNAV Quartz?

The Gruppo Gamma Vanguard Steel Date is rated to 100m versus 60m for the Marathon Steel Navigator SSNAV Quartz.

Which has a longer power reserve, the Gruppo Gamma Vanguard Steel Date or the Marathon Steel Navigator SSNAV Quartz?

The Gruppo Gamma Vanguard Steel Date carries a 42-hour power reserve against 40 hours on the Marathon Steel Navigator SSNAV Quartz.

What movement does the Gruppo Gamma Vanguard Steel Date run compared to the Marathon Steel Navigator SSNAV Quartz?

The Gruppo Gamma Vanguard Steel Date runs a automatic caliber (Miyota 9015), while the Marathon Steel Navigator SSNAV Quartz runs a quartz (Swiss High-Torque Quartz).

Side by side

Gruppo Gamma Vanguard Steel DatevsMarathon Steel Navigator SSNAV 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

Marathon Steel Navigator SSNAV Quartz

41mm-steel-navigator-ssnav-on-ballistic-nylon

MSRP $1,000

At a glance

15 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Steel Navigator SSNAV Quartz41mm

Power Reserve

Vanguard Steel Date42h

Steel Navigator SSNAV Quartz40h

Water Resistance

Vanguard Steel Date100m

Steel Navigator SSNAV Quartz60m

MSRP

Vanguard Steel Date$790

Steel Navigator SSNAV Quartz$1,000

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Black

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Miyota 9015

Swiss High-Torque Quartz

Type

Automatic

Quartz

Power Reserve

42h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$1,000

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