Which is cheaper, the NOMOS Glashütte Tetra 27 duo or the Vaer D4 Outerknown Solar Diver?

At MSRP the Vaer D4 Outerknown Solar Diver is the cheaper of the two at $549, against $2,090 for the NOMOS Glashütte Tetra 27 duo — a $1,541 gap before any retailer discounting.

Which is bigger, the NOMOS Glashütte Tetra 27 duo or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver wears larger at 39mm versus 27.5mm for the NOMOS Glashütte Tetra 27 duo — a 11.5mm difference across the dial.

Which has better water resistance, the NOMOS Glashütte Tetra 27 duo or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver is rated to 200m versus 50m for the NOMOS Glashütte Tetra 27 duo.

Which has a longer power reserve, the NOMOS Glashütte Tetra 27 duo or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver carries a 40-hour power reserve against 53 hours hours on the NOMOS Glashütte Tetra 27 duo.

What movement does the NOMOS Glashütte Tetra 27 duo run compared to the Vaer D4 Outerknown Solar Diver?

The NOMOS Glashütte Tetra 27 duo runs a manual caliber (DUW 4001), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

NOMOS Glashütte Tetra 27 duovsVaer D4 Outerknown Solar Diver

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

NOMOS Glashütte Tetra 27 duo

405

MSRP $2,090

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

20 of 29 specs differ

Diameter

Tetra 27 duo27.5mm

D4 Outerknown Solar Diver39mm

Power Reserve

Tetra 27 duo53 hoursh

D4 Outerknown Solar Diver40h

Water Resistance

Tetra 27 duo50m

D4 Outerknown Solar Diver200m

MSRP

Tetra 27 duo$2,090

D4 Outerknown Solar Diver$549

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

White

Blue

Indices

—

Applied

Movement

5 specs

Caliber

DUW 4001

—

Type

Manual

Quartz

Beat Rate

21,600 vph

28,800 vph

Power Reserve

53 hoursh

40h

Jewels

Pricing

1 specs

MSRP

$2,090

$549

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