Which is cheaper, the Radcliffe Watches L'INSTANT SONORE or the Sartory Billard SB04-E?

At MSRP the Radcliffe Watches L'INSTANT SONORE is the cheaper of the two at $1,588, against $3,100 for the Sartory Billard SB04-E — a $1,512 gap before any retailer discounting.

Which is bigger, the Radcliffe Watches L'INSTANT SONORE or the Sartory Billard SB04-E?

The Radcliffe Watches L'INSTANT SONORE wears larger at 40mm versus 39.5mm for the Sartory Billard SB04-E — a 0.5mm difference across the dial.

Which has better water resistance, the Radcliffe Watches L'INSTANT SONORE or the Sartory Billard SB04-E?

The Sartory Billard SB04-E is rated to 100m versus 30m for the Radcliffe Watches L'INSTANT SONORE.

What movement does the Radcliffe Watches L'INSTANT SONORE run compared to the Sartory Billard SB04-E?

Both watches run automatic movements — the Radcliffe Watches L'INSTANT SONORE uses the Miyota 9015 and the Sartory Billard SB04-E uses the LJP G101ET.

Side by side

Radcliffe Watches L'INSTANT SONOREvsSartory Billard SB04-E

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

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Radcliffe Watches L'INSTANT SONORE

MSRP $1,588

Sartory Billard SB04-E

MSRP $3,100

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Buy used on eBay ↗

Buy from Sartory Billard ↗

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At a glance

14 of 29 specs differ

Diameter

L'INSTANT SONORE40mm

SB04-E39.5mm

Power Reserve

L'INSTANT SONORE—

SB04-E68h

Water Resistance

L'INSTANT SONORE30m

SB04-E100m

MSRP

L'INSTANT SONORE$1,588

SB04-E$3,100

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

—

Black

Lume

None

Super-LumiNova BGW9

Movement

3 specs

Caliber

Miyota 9015

LJP G101ET

Power Reserve

—

68h

Jewels

Pricing

1 specs

MSRP

—

$3,100

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