Which is cheaper, the Hemel Sky Racer Mechanical or the NOMOS Glashütte Tetra 27 duo?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $2,090 for the NOMOS Glashütte Tetra 27 duo — a $1,540 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the NOMOS Glashütte Tetra 27 duo?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 27.5mm for the NOMOS Glashütte Tetra 27 duo — a 15.5mm difference across the dial.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the NOMOS Glashütte Tetra 27 duo?

The NOMOS Glashütte Tetra 27 duo carries a 53 hours-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the NOMOS Glashütte Tetra 27 duo?

Both watches run manual movements — the Hemel Sky Racer Mechanical uses the Seagull ST19 and the NOMOS Glashütte Tetra 27 duo uses the DUW 4001.

Side by side

Hemel Sky Racer MechanicalvsNOMOS Glashütte Tetra 27 duo

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

NOMOS Glashütte Tetra 27 duo

405

MSRP $2,090

At a glance

18 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

Tetra 27 duo27.5mm

Power Reserve

Sky Racer Mechanical40h

Tetra 27 duo53 hoursh

Water Resistance

Sky Racer Mechanical50m

Tetra 27 duo50m

MSRP

Sky Racer Mechanical$550

Tetra 27 duo$2,090

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Black

White

Indices

Applied

—

Movement

4 specs

Caliber

Seagull ST19

DUW 4001

Beat Rate

28,800 vph

21,600 vph

Power Reserve

40h

53 hoursh

Jewels

Pricing

1 specs

MSRP

$550

$2,090

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