Which is cheaper, the Gruppo Gamma Vanguard Weathered Date or the Christopher Ward C63 Sealander Extreme GMT?

At MSRP the Gruppo Gamma Vanguard Weathered Date is the cheaper of the two at $790, against $1,850 for the Christopher Ward C63 Sealander Extreme GMT — a $1,060 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Weathered Date or the Christopher Ward C63 Sealander Extreme GMT?

The Christopher Ward C63 Sealander Extreme GMT wears larger at 48mm versus 42mm for the Gruppo Gamma Vanguard Weathered Date — a 6mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Weathered Date or the Christopher Ward C63 Sealander Extreme GMT?

The Christopher Ward C63 Sealander Extreme GMT is rated to 150m versus 100m for the Gruppo Gamma Vanguard Weathered Date.

Which has a longer power reserve, the Gruppo Gamma Vanguard Weathered Date or the Christopher Ward C63 Sealander Extreme GMT?

The Christopher Ward C63 Sealander Extreme GMT carries a 56-hour power reserve against 42 hours on the Gruppo Gamma Vanguard Weathered Date.

What movement does the Gruppo Gamma Vanguard Weathered Date run compared to the Christopher Ward C63 Sealander Extreme GMT?

Both watches run automatic movements — the Gruppo Gamma Vanguard Weathered Date uses the Miyota 9015 and the Christopher Ward C63 Sealander Extreme GMT uses the SW330.

Side by side

Gruppo Gamma Vanguard Weathered DatevsChristopher Ward C63 Sealander Extreme GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Gruppo Gamma Vanguard Weathered Date

av-11

MSRP $790

Christopher Ward C63 Sealander Extreme GMT

C63-41AGM4-S0KK0-NO

MSRP $1,850

At a glance

14 of 29 specs differ

Diameter

Vanguard Weathered Date42mm

C63 Sealander Extreme GMT48mm

Power Reserve

Vanguard Weathered Date42h

C63 Sealander Extreme GMT56h

Water Resistance

Vanguard Weathered Date100m

C63 Sealander Extreme GMT150m

MSRP

Vanguard Weathered Date$790

C63 Sealander Extreme GMT$1,850

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Underside

Dial Color

Forged Carbon

Black

Lume

Super-LumiNova

SLN X1 BL / GL

Movement

4 specs

Caliber

Miyota 9015

SW330

Beat Rate

28,800 vph

4 vph

Power Reserve

42h

56h

Complications

Date

GMT, Moonphase, Day-date

Pricing

1 specs

MSRP

$790

$1,850

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