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

At MSRP the Gruppo Gamma Vanguard Steel Date is the cheaper of the two at $790, against $1,300 for the Marathon Steel Navigator SSNAV Auto — a $510 gap before any retailer discounting.

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

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

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

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

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

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

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

Both watches run automatic movements — the Gruppo Gamma Vanguard Steel Date uses the Miyota 9015 and the Marathon Steel Navigator SSNAV Auto uses the Sellita SW200-1.

Side by side

Gruppo Gamma Vanguard Steel DatevsMarathon Steel Navigator SSNAV Auto

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 Auto

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

MSRP $1,300

At a glance

14 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Steel Navigator SSNAV Auto41mm

Power Reserve

Vanguard Steel Date42h

Steel Navigator SSNAV Auto40h

Water Resistance

Vanguard Steel Date100m

Steel Navigator SSNAV Auto60m

MSRP

Vanguard Steel Date$790

Steel Navigator SSNAV Auto$1,300

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9015

Sellita SW200-1

Power Reserve

42h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$1,300

Follow this matchup

Get a note when Gruppo Gamma Vanguard Steel Date vs Marathon Steel Navigator SSNAV Auto gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring