Which is cheaper, the Hemel Sky Racer Mechanical or the Sinn U18?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $3,488 for the Sinn U18 — a $2,938 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Sinn U18?

The Sinn U18 wears larger at 44mm versus 43mm for the Hemel Sky Racer Mechanical — a 1mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Sinn U18?

The Sinn U18 is rated to 2000m versus 50m for the Hemel Sky Racer Mechanical.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Sinn U18?

The Sinn U18 carries a 42-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Sinn U18?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Sinn U18 runs a automatic (SW300-1).

Side by side

Hemel Sky Racer MechanicalvsSinn U18

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

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Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Sinn U18

U18

MSRP $3,488

At a glance

17 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

U1844mm

Power Reserve

Sky Racer Mechanical40h

U1842h

Water Resistance

Sky Racer Mechanical50m

U182,000m

MSRP

Sky Racer Mechanical$550

U18$3,488

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

—

AR Coating

Inner

—

Indices

Applied

—

Movement

3 specs

Caliber

Seagull ST19

SW300-1

Type

Manual

Automatic

Power Reserve

40h

42h

Pricing

1 specs

MSRP

$550

$3,488

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Hemel Sky Racer MechanicalvsSinn U18

At a glance

Full specifications

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