Which is cheaper, the Hemel Sky Racer Mechanical or the Seiko Prospex LX line?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $5,500 for the Seiko Prospex LX line — a $4,950 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Seiko Prospex LX line?

The Seiko Prospex LX line wears larger at 44.8mm versus 43mm for the Hemel Sky Racer Mechanical — a 1.8mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Seiko Prospex LX line?

The Hemel Sky Racer Mechanical is rated to 50m versus 20m for the Seiko Prospex LX line.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Seiko Prospex LX line?

The Seiko Prospex LX line carries a 72-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Seiko Prospex LX line?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Seiko Prospex LX line runs a spring drive (5R66).

Side by side

Hemel Sky Racer MechanicalvsSeiko Prospex LX line

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Seiko Prospex LX line

snr025j1

MSRP $5,500

At a glance

15 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

Prospex LX line44.8mm

Power Reserve

Sky Racer Mechanical40h

Prospex LX line72h

Water Resistance

Sky Racer Mechanical50m

Prospex LX line200m

MSRP

Sky Racer Mechanical$550

Prospex LX line$5,500

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Super-clear coating

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seagull ST19

5R66

Type

Manual

Spring Drive

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$550

$5,500

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Hemel Sky Racer MechanicalvsSeiko Prospex LX line

At a glance

Full specifications

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