Which is cheaper, the LIV Watches P-51 or the Sartory Billard SB04-E?

At MSRP the LIV Watches P-51 is the cheaper of the two at $2,100, against $3,100 for the Sartory Billard SB04-E — a $1,000 gap before any retailer discounting.

Which is bigger, the LIV Watches P-51 or the Sartory Billard SB04-E?

The LIV Watches P-51 wears larger at 46mm versus 39.5mm for the Sartory Billard SB04-E — a 6.5mm difference across the dial.

Which has better water resistance, the LIV Watches P-51 or the Sartory Billard SB04-E?

The LIV Watches P-51 is rated to 300m versus 100m for the Sartory Billard SB04-E.

What movement does the LIV Watches P-51 run compared to the Sartory Billard SB04-E?

Both watches run automatic movements — the LIV Watches P-51 uses the Valjoux 7750 and the Sartory Billard SB04-E uses the La Joux-Perret G101.

Side by side

LIV Watches P-51vsSartory Billard SB04-E

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

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LIV Watches P-51

MSRP $2,100

See the full P-51

Sartory Billard SB04-E

MSRP $3,100

See the full SB04-E

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At a glance

14 of 29 specs differ

Diameter

P-5146mm

SB04-E39.5mm

Power Reserve

P-51—

SB04-E68h

Water Resistance

P-51300m

SB04-E100m

MSRP

P-51$2,100

SB04-E$3,100

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

—

Yes

Dial Color

—

Lume

None

Super-LumiNova BGW9

Movement

3 specs

Caliber

Valjoux 7750

La Joux-Perret G101

Power Reserve

68h

Jewels

Pricing

1 specs

MSRP

$2,100

$3,100

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LIV Watches P-51vsSartory Billard SB04-E

At a glance

Full specifications

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