Which is cheaper, the Borealis Watch Co. Neptuno or the Longines ULTRA‑CHRON CARBON?

At MSRP the Borealis Watch Co. Neptuno is the cheaper of the two at $390, against $5,550 for the Longines ULTRA‑CHRON CARBON — a $5,160 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Neptuno or the Longines ULTRA‑CHRON CARBON?

The Longines ULTRA‑CHRON CARBON wears larger at 43mm versus 40.00mm for the Borealis Watch Co. Neptuno — a 3mm difference across the dial.

Which has a longer power reserve, the Borealis Watch Co. Neptuno or the Longines ULTRA‑CHRON CARBON?

The Longines ULTRA‑CHRON CARBON carries a 52-hour power reserve against 40 hours on the Borealis Watch Co. Neptuno.

What movement does the Borealis Watch Co. Neptuno run compared to the Longines ULTRA‑CHRON CARBON?

Both watches run automatic movements — the Borealis Watch Co. Neptuno uses the NH38 and the Longines ULTRA‑CHRON CARBON uses the L836.6.

Side by side

Borealis Watch Co. NeptunovsLongines ULTRA‑CHRON CARBON

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

Longines ULTRA‑CHRON CARBON

L2.839.4.52.2

MSRP $5,550

At a glance

20 of 29 specs differ

Diameter

Neptuno40.00mm

ULTRA‑CHRON CARBON43mm

Power Reserve

Neptuno40h

ULTRA‑CHRON CARBON52h

Water Resistance

Neptuno300m

ULTRA‑CHRON CARBON300m

MSRP

Neptuno$390

ULTRA‑CHRON CARBON$5,550

Full specifications

Case

7 specs

Diameter

40.00mm

43mm

Thickness

14.10mm

14mm

Lug-to-Lug

47.20mm

48.9mm

Lug Width

20mm

22mm

Material

Stainless Steel

Titanium

Finish

Brushed and polished

—

Caseback

Solid

Screw-down case back

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Dial Color

Black

Silver

Indices

Applied

Applied indexes

Lume

BGW9

Super-LumiNova

Movement

7 specs

Caliber

NH38

L836.6

Beat Rate

28,800 vph

36,000 vph

Power Reserve

40h

52h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Hours, minutes, seconds

Pricing

1 specs

MSRP

$390

$5,550

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