Which is cheaper, the Borealis Watch Co. Sea Storm MK2 or the Sartory Billard SB04-E?

At MSRP the Borealis Watch Co. Sea Storm MK2 is the cheaper of the two at $475, against $3,100 for the Sartory Billard SB04-E — a $2,625 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 or the Sartory Billard SB04-E?

The Borealis Watch Co. Sea Storm MK2 wears larger at 41.50mm versus 39.5mm for the Sartory Billard SB04-E — a 2mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 or the Sartory Billard SB04-E?

The Borealis Watch Co. Sea Storm MK2 is rated to 300m versus 100m for the Sartory Billard SB04-E.

Which has a longer power reserve, the Borealis Watch Co. Sea Storm MK2 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. Sea Storm MK2.

What movement does the Borealis Watch Co. Sea Storm MK2 run compared to the Sartory Billard SB04-E?

Both watches run automatic movements — the Borealis Watch Co. Sea Storm MK2 uses the NH38 and the Sartory Billard SB04-E uses the LJP G101ET.

Side by side

Borealis Watch Co. Sea Storm MK2vsSartory Billard SB04-E

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

Borealis Watch Co.Sea Storm MK2

borealis-sea-storm-mk2-random-rob-special-limited-edition

MSRP $475

Sartory Billard SB04-E

MSRP $3,100

At a glance

12 of 29 specs differ

Diameter

Sea Storm MK241.50mm

SB04-E39.5mm

Power Reserve

Sea Storm MK240h

SB04-E68h

Water Resistance

Sea Storm MK2300m

SB04-E100m

MSRP

Sea Storm MK2$475

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

$475

$3,100

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