Which is cheaper, the Gruppo Gamma Vanguard Steel Date or the Maen Grand Tonneau Ultra Thin?

At MSRP the Gruppo Gamma Vanguard Steel Date is the cheaper of the two at $790, against $1,519 for the Maen Grand Tonneau Ultra Thin — a $729 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Steel Date or the Maen Grand Tonneau Ultra Thin?

The Gruppo Gamma Vanguard Steel Date wears larger at 42mm versus 34mm for the Maen Grand Tonneau Ultra Thin — a 8mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Steel Date or the Maen Grand Tonneau Ultra Thin?

The Gruppo Gamma Vanguard Steel Date is rated to 100m versus 50m for the Maen Grand Tonneau Ultra Thin.

Which has a longer power reserve, the Gruppo Gamma Vanguard Steel Date or the Maen Grand Tonneau Ultra Thin?

The Gruppo Gamma Vanguard Steel Date carries a 42-hour power reserve against 40 hours on the Maen Grand Tonneau Ultra Thin.

Side by side

Gruppo Gamma Vanguard Steel DatevsMaen Grand Tonneau Ultra Thin

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

Maen Grand Tonneau Ultra Thin

grand-tonneau-ultra-thin-mnl-04

MSRP $1,519

At a glance

14 of 29 specs differ

Diameter

Vanguard Steel Date42mm

Grand Tonneau Ultra Thin34mm

Power Reserve

Vanguard Steel Date42h

Grand Tonneau Ultra Thin40h

Water Resistance

Vanguard Steel Date100m

Grand Tonneau Ultra Thin50m

MSRP

Vanguard Steel Date$790

Grand Tonneau Ultra Thin$1,519

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Forged Carbon

MNL.04

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9015

—

Power Reserve

42h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$790

$1,519

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