Which is cheaper, the Sternglas Naos XS Automatik or the NOMOS Glashütte Tetra 27 duo?

At MSRP the Sternglas Naos XS Automatik is the cheaper of the two at $431, against $2,090 for the NOMOS Glashütte Tetra 27 duo — a $1,659 gap before any retailer discounting.

Which is bigger, the Sternglas Naos XS Automatik or the NOMOS Glashütte Tetra 27 duo?

The Sternglas Naos XS Automatik wears larger at 33mm versus 27.5mm for the NOMOS Glashütte Tetra 27 duo — a 5.5mm difference across the dial.

What movement does the Sternglas Naos XS Automatik run compared to the NOMOS Glashütte Tetra 27 duo?

The Sternglas Naos XS Automatik runs a automatic caliber (Miyota 6T15), while the NOMOS Glashütte Tetra 27 duo runs a manual (DUW 4001).

Side by side

Sternglas Naos XS AutomatikvsNOMOS Glashütte Tetra 27 duo

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

Sternglas Naos XS Automatik

naos-xs-automatik-gold

MSRP $431

NOMOS Glashütte Tetra 27 duo

405

MSRP $2,090

At a glance

15 of 29 specs differ

Diameter

Naos XS Automatik33mm

Tetra 27 duo27.5mm

Power Reserve

Naos XS Automatik—

Tetra 27 duo53 hoursh

Water Resistance

Naos XS Automatik50m

Tetra 27 duo50m

MSRP

Naos XS Automatik$431

Tetra 27 duo$2,090

Full specifications

Case

5 specs

Diameter

33mm

27.5mm

Thickness

11mm

6.1mm

Lug Width

16mm

18mm

Finish

Brushed and polished

—

Caseback

Solid

—

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

—

White

Indices

Applied

—

Movement

5 specs

Caliber

Miyota 6T15

DUW 4001

Type

Automatic

Manual

Beat Rate

28,800 vph

21,600 vph

Power Reserve

—

53 hoursh

Jewels

—

Pricing

1 specs

MSRP

$431

$2,090

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