Which is cheaper, the Borealis Watch Co. Neptuno or the Sartory Billard SB04-E?

At MSRP the Borealis Watch Co. Neptuno is the cheaper of the two at $390, against $3,100 for the Sartory Billard SB04-E — a $2,710 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Neptuno or the Sartory Billard SB04-E?

The Borealis Watch Co. Neptuno wears larger at 40.00mm versus 39.5mm for the Sartory Billard SB04-E — a 0.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Neptuno or the Sartory Billard SB04-E?

The Borealis Watch Co. Neptuno is rated to 300m versus 100m for the Sartory Billard SB04-E.

Which has a longer power reserve, the Borealis Watch Co. Neptuno or the Sartory Billard SB04-E?

The Sartory Billard SB04-E carries a 68-hour power reserve against 40 hours on the Borealis Watch Co. Neptuno.

What movement does the Borealis Watch Co. Neptuno run compared to the Sartory Billard SB04-E?

Both watches run automatic movements — the Borealis Watch Co. Neptuno uses the NH38 and the Sartory Billard SB04-E uses the LJP G101ET.

Side by side

Borealis Watch Co. NeptunovsSartory Billard SB04-E

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

Borealis Watch Co.Neptuno

borealis-neptuno-red-fade-to-black-dial-no-date-nh38-automatic-movement-300m-diver-watch

MSRP $390

Sartory Billard SB04-E

MSRP $3,100

At a glance

12 of 29 specs differ

Diameter

Neptuno40.00mm

SB04-E39.5mm

Power Reserve

Neptuno40h

SB04-E68h

Water Resistance

Neptuno300m

SB04-E100m

MSRP

Neptuno$390

SB04-E$3,100

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

BGW9

Super-LumiNova BGW9

Movement

3 specs

Caliber

NH38

LJP G101ET

Power Reserve

40h

68h

Jewels

Pricing

1 specs

MSRP

$390

$3,100

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—Used

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