Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Longines HYDROCONQUEST GMT?

At MSRP the Gruppo Gamma Vanguard Steel Date is the cheaper of the two at $790, against $3,350 for the Longines HYDROCONQUEST GMT — a $2,560 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Steel Date or the Longines HYDROCONQUEST GMT?

The Gruppo Gamma Vanguard Steel Date wears larger at 42mm versus 41mm for the Longines HYDROCONQUEST GMT — a 1mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Steel Date or the Longines HYDROCONQUEST GMT?

The Longines HYDROCONQUEST GMT 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 Longines HYDROCONQUEST GMT?

The Gruppo Gamma Vanguard Steel Date carries a 42-hour power reserve against 40 hours on the Longines HYDROCONQUEST GMT.

What movement does the Gruppo Gamma Vanguard Steel Date run compared to the Longines HYDROCONQUEST GMT?

Both watches run automatic movements — the Gruppo Gamma Vanguard Steel Date uses the Miyota 9015 and the Longines HYDROCONQUEST GMT uses the L844.5.

Side by side

Gruppo Gamma Vanguard Steel DatevsLongines HYDROCONQUEST GMT

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

Longines HYDROCONQUEST GMT

L3.790.4.06.6

MSRP $3,350

At a glance

13 of 29 specs differ

Diameter

Vanguard Steel Date42mm

HYDROCONQUEST GMT41mm

Power Reserve

Vanguard Steel Date42h

HYDROCONQUEST GMT40h

Water Resistance

Vanguard Steel Date100m

HYDROCONQUEST GMT300m

MSRP

Vanguard Steel Date$790

HYDROCONQUEST GMT$3,350

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

Green

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9015

L844.5

Power Reserve

42h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$3,350

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