Which is cheaper, the Longines PrimaLuna Moonphase or the Vaer D4 Outerknown Solar Diver?

At MSRP the Vaer D4 Outerknown Solar Diver is the cheaper of the two at $549, against $2,950 for the Longines PrimaLuna Moonphase — a $2,401 gap before any retailer discounting.

Which is bigger, the Longines PrimaLuna Moonphase or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver wears larger at 39mm versus 34mm for the Longines PrimaLuna Moonphase — a 5mm difference across the dial.

Which has better water resistance, the Longines PrimaLuna Moonphase or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver is rated to 200m versus 30m for the Longines PrimaLuna Moonphase.

Which has a longer power reserve, the Longines PrimaLuna Moonphase or the Vaer D4 Outerknown Solar Diver?

The Longines PrimaLuna Moonphase carries a 72-hour power reserve against 40 hours on the Vaer D4 Outerknown Solar Diver.

What movement does the Longines PrimaLuna Moonphase run compared to the Vaer D4 Outerknown Solar Diver?

The Longines PrimaLuna Moonphase runs a automatic caliber (L899.5), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

Longines PrimaLuna MoonphasevsVaer D4 Outerknown Solar Diver

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

Longines PrimaLuna Moonphase

L8.126.4.97.6

MSRP $2,950

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

23 of 29 specs differ

Diameter

PrimaLuna Moonphase34mm

D4 Outerknown Solar Diver39mm

Power Reserve

PrimaLuna Moonphase72h

D4 Outerknown Solar Diver40h

Water Resistance

PrimaLuna Moonphase30m

D4 Outerknown Solar Diver200m

MSRP

PrimaLuna Moonphase$2,950

D4 Outerknown Solar Diver$549

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

—

Flat

AR Coating

Both sides

Inner

Indices

Diamond indexes

Applied

Lume

Super-LumiNova

None

Movement

8 specs

Caliber

L899.5

—

Type

Automatic

Quartz

Beat Rate

25,200 vph

28,800 vph

Power Reserve

72h

40h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

Hours, minutes, seconds and date, Moon phase display at 6 o'clock

None

Pricing

1 specs

MSRP

$2,950

$549

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