Which is cheaper, the Christopher Ward C63 Sealander Extreme GMT or the Sartory Billard SB04?

At MSRP the Christopher Ward C63 Sealander Extreme GMT is the cheaper of the two at $2,075, against $2,900 for the Sartory Billard SB04 — a $825 gap before any retailer discounting.

Which has better water resistance, the Christopher Ward C63 Sealander Extreme GMT or the Sartory Billard SB04?

The Christopher Ward C63 Sealander Extreme GMT is rated to 150m versus 30m for the Sartory Billard SB04.

Which has a longer power reserve, the Christopher Ward C63 Sealander Extreme GMT or the Sartory Billard SB04?

The Christopher Ward C63 Sealander Extreme GMT carries a 56-hour power reserve against 40 hours on the Sartory Billard SB04.

What movement does the Christopher Ward C63 Sealander Extreme GMT run compared to the Sartory Billard SB04?

Both watches run automatic movements — the Christopher Ward C63 Sealander Extreme GMT uses the SW330-2 and the Sartory Billard SB04 uses the LJP G100.

Side by side

Christopher Ward C63 Sealander Extreme GMTvsSartory Billard SB04

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

Christopher Ward C63 Sealander Extreme GMT

C63-41AGM4-S0KK0-B0

MSRP $2,075

Sartory Billard SB04

MSRP $2,900

At a glance

12 of 29 specs differ

Diameter

C63 Sealander Extreme GMT40mm

SB0440mm

Power Reserve

C63 Sealander Extreme GMT56h

SB0440h

Water Resistance

C63 Sealander Extreme GMT150m

SB0430m

MSRP

C63 Sealander Extreme GMT$2,075

SB04$2,900

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

SLN X1 BL / GL

None

Movement

4 specs

Caliber

SW330-2

LJP G100

Beat Rate

4 vph

28,800 vph

Power Reserve

56h

40h

Complications

GMT

None

Pricing

1 specs

MSRP

$2,075

$2,900

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